会员登录|免费注册
家具首页· 商家入驻 ▾· 会员中心 ▾· 高级搜索· English· 手机版
商家入驻

办公椅系列 · 全系列产品目录（39 SKU）

已选条件： 尺寸: 590 mm 清除全部
品牌：
全部Yaqi Furniture (16)YUXIANG (14)LINGKEN (4)FENGGUAN (3)Bolongkeli Smart Furniture (1)GUOYOU (1)
尺寸：
全部 400 mm 15.7 in (16) 500 mm 19.7 in (176) 600 mm 23.6 in (1036) 700 mm 27.6 in (266) 800 mm 31.5 in (38) 1000 mm 39.4 in (4) 1100 mm 43.3 in (44) 1200 mm 47.2 in (18) 1400 mm 55.1 in (2) 1500 mm 59.1 in (1) 1700 mm 66.9 in (65) 1800 mm 70.9 in (90) 1900 mm 74.8 in (6) 2100 mm 82.7 in (1) 2200 mm 86.6 in (2) 2300 mm 90.6 in (2) 2400 mm 94.5 in (2) 3000 mm 118.1 in (1) 更多
材质：
全部多层实木板 (1)人造皮 (9)Linen look Upholstery (15)网布网背 (14)
产地：
全部中国大陆 (39)
子分类：
人体工学办公椅老板大班椅弓字椅网布办公椅Lecture Theatre SeatingAuditorium Lecture Hall ChairWood Frame Side ChairGenuine Leather ChairPU lacquered office chairSteel rod chair
使用场景：
全部客厅家具 (1)书房家具 (12)办公家具 (18)户外庭院 (1)智能家具 (1)
高级筛选：
进入家具参数选型（更多结构、功能、场景参数）
共找到 39 个商品型号
家具型号品牌 / 供应商外部尺寸主体材质承重环保等级面料 / 板材工艺五金配置适用场景供应商现货库存
Mid-Back Mesh Swivel Task Chair with Olive-Green Padded Seat Mid-Back Mesh Swivel Task Chair with Olive-Green Padded Seat
MBM-OC-590-580-980 Mid-Back Mesh Swivel Task Chair with Olive-Green Padded Seat
FENGGUAN 590×580×980 mm 23.2×22.8×38.6 in — 120 kg 264.6 lb 未标注，需供应商确认 70 mm molded polyurethane foam with olive-green woven fabric upholstery Chrome-plated steel lift tube with black painted steel telescopic column 网布办公椅 1家供应商 暂无现货
FG-8572C Upholstered Visitor Chair with Chrome Cantilever Frame FG-8572C Upholstered Visitor Chair with Chrome Cantilever Frame
FG-8572C FG-8572C Upholstered Visitor Chair with Chrome Cantilever Frame
FENGGUAN 590×650×1010 mm 23.2×25.6×39.8 in Artificial leather 120 kg static seating capacity 264.6 lb static seating capacity 未标注，需供应商确认 Leather-look coated fabric or split-leather substitute over shaped foam; exact material grade needs supplier BOM confirmation 未标注，需供应商确认 老板大班椅 1家供应商 暂无现货
Taupe Padded Swivel Conference Chair with Chrome Armrests and Five-Star Caster Base Taupe Padded Swivel Conference Chair with Chrome Armrests and Five-Star Caster Base
OFC-CON-460-TPE-CHR Taupe Padded Swivel Conference Chair with Chrome Armrests and Five-Star Caster Base
FENGGUAN 590×695×960 mm 23.2×27.4×37.8 in Artificial leather 120 kg 264.6 lb 未标注，需供应商确认 Taupe padded upholstery over a shaped cushion with horizontal recessed back stitching Black metal tilt/height mechanism with side operating lever 老板大班椅 1家供应商 暂无现货
Light Grey Split Dual-Back Ergonomic Office Chair Light Grey Split Dual-Back Ergonomic Office Chair
EOCH-SDB-001 Light Grey Split Dual-Back Ergonomic Office Chair
Bolongkeli Smart Furniture 590×640×955 mm 23.2×25.2×37.6 in — 250 kg 551.2 lb GB 18584 Light grey woven polyester fabric, 0.8 mm thickness 2 mm thick steel mechanism plate, 12 mm plywood seat support 人体工学办公椅 1家供应商 暂无现货
Fixed Floor-Mounted Red Upholstered Auditorium Chair with Wood Armrests Fixed Floor-Mounted Red Upholstered Auditorium Chair with Wood Armrests
AUD-WA590-RED Fixed Floor-Mounted Red Upholstered Auditorium Chair with Wood Armrests
Yaqi Furniture 590×740×1010 mm 23.2×29.1×39.8 in Linen look Upholstery 150 kg 330.7 lb 未标注，需供应商确认 Wear-resistant linen-blend fabric, available flame-retardant/antistatic treatment High-tensile steel double-spring silent return mechanism Auditorium Lecture Hall Chair 1家供应商 暂无现货
Fixed Floor-Mount Wooden Arm Blue Fabric Auditorium Chair Fixed Floor-Mount Wooden Arm Blue Fabric Auditorium Chair
AUD-WA-BF-590 Fixed Floor-Mount Wooden Arm Blue Fabric Auditorium Chair
Yaqi Furniture 590×740×1010 mm 23.2×29.1×39.8 in Linen look Upholstery 150 kg 330.7 lb Applicable indoor furniture environmental standard, limiting formaldehyde and heavy metal content for upholstered wood furniture Blue woven commercial polyester fabric, 1.2mm thickness 3mm thick black powder-coated steel plates with visible fixing screws Auditorium Lecture Hall Chair 1家供应商 暂无现货
Fixed Ganged Auditorium Chair with Blue Upholstery and Wood Trim Fixed Ganged Auditorium Chair with Blue Upholstery and Wood Trim
AUD-FW590-BLU Fixed Ganged Auditorium Chair with Blue Upholstery and Wood Trim
Yaqi Furniture 590×880×1025 mm 23.2×34.6×40.4 in Linen look Upholstery 220 kg 485 lb 未标注，需供应商确认 Wear-resistant breathable blue woven polyester fabric Steel spring with hydraulic damping buffer for quiet tip-up action Auditorium Lecture Hall Chair 1家供应商 暂无现货
Red Upholstered Ganged Floor-Mounted Auditorium Chair with Perforated Wood Divider Red Upholstered Ganged Floor-Mounted Auditorium Chair with Perforated Wood Divider
AUD-RED-WD590 Red Upholstered Ganged Floor-Mounted Auditorium Chair with Perforated Wood Divider
Yaqi Furniture 590×720×1030 mm 23.2×28.3×40.6 in Linen look Upholstery 160 kg 352.7 lb 未标注，需供应商确认 Red woven polyester fabric, flame-retardant, anti-static 14 mm diameter cold-drawn steel shaft, grease-lubricated Auditorium Lecture Hall Chair 1家供应商 暂无现货
Ganged Red Fabric Auditorium Chair with Folding Perforated Writing Tablet Ganged Red Fabric Auditorium Chair with Folding Perforated Writing Tablet
AUD-RED-FWT-590 Ganged Red Fabric Auditorium Chair with Folding Perforated Writing Tablet
Yaqi Furniture 590×820×1080 mm 23.2×32.3×42.5 in Linen look Upholstery 150 kg 330.7 lb 未标注，需供应商确认 Red abrasion-resistant woven polyester fabric, double-stitched seams at 8 mm pitch Zinc-plated steel spring with EPDM rubber damping buffers, anti-panic silent operation Auditorium Lecture Hall Chair 1家供应商 暂无现货
Beige Fabric Upholstered Fixed-Mount Auditorium Chair with Wood Trim Beige Fabric Upholstered Fixed-Mount Auditorium Chair with Wood Trim
AUD-FX-590W Beige Fabric Upholstered Fixed-Mount Auditorium Chair with Wood Trim
Yaqi Furniture 590×760×1010 mm 23.2×29.9×39.8 in Linen look Upholstery 160 kg 352.7 lb 未标注，需供应商确认 Woven polyester fabric, anti-static, stain-resistant, flame-retardant treated Dual steel springs with hydraulic damper for quiet automatic return Auditorium Lecture Hall Chair 1家供应商 暂无现货
Fixed Ganged Floor-Mounted Auditorium Chair with Blue Fabric Upholstery and Wood-Effect Armrests Fixed Ganged Floor-Mounted Auditorium Chair with Blue Fabric Upholstery and Wood-Effect Armrests
AUD-FAB-WDARM-590 Fixed Ganged Floor-Mounted Auditorium Chair with Blue Fabric Upholstery and Wood-Effect Armrests
Yaqi Furniture 590×760×1010 mm 23.2×29.9×39.8 in Linen look Upholstery 1500 N 1500 N 未标注，需供应商确认 Woven commercial blue polyester fabric Steel hinge with gravity/spring return Auditorium Lecture Hall Chair 1家供应商 暂无现货
Fixed Auditorium End Chair with Rear Side Writing Tablet Fixed Auditorium End Chair with Rear Side Writing Tablet
AUD-WD-CA-PED-001 Fixed Auditorium End Chair with Rear Side Writing Tablet
Yaqi Furniture 590×792×1080 mm 23.2×31.2×42.5 in Linen look Upholstery 160 kg 352.7 lb 未标注，需供应商确认 High-density hardwood multi-layer board, beech/walnut wood veneer, 6-coat PU paint Die-cast aluminum alloy rotary joint, matte gray finish Auditorium Lecture Hall Chair 1家供应商 暂无现货
Fixed Floor-Mounted Auditorium Chair with Tip-Up Blue Fabric Seat, Bentwood Components and Single Pedestal Base Fixed Floor-Mounted Auditorium Chair with Tip-Up Blue Fabric Seat, Bentwood Components and Single Pedestal Base
AUD-BW-590BL Fixed Floor-Mounted Auditorium Chair with Tip-Up Blue Fabric Seat, Bentwood Components and Single Pedestal Base
Yaqi Furniture 590×760×1080 mm 23.2×29.9×42.5 in Linen look Upholstery 260 kg 573.2 lb Low-formaldehyde adhesive, formaldehyde emission <1.5mg/L, clear UV-cured lacquer Commercial blue woven polyester fabric, abrasion-resistant, optional flame-retardant/antistatic treatment Zinc-plated steel hinge with double torsion spring and hydraulic damper for quiet return Auditorium Lecture Hall Chair 1家供应商 暂无现货
Ganged Floor-Mount Auditorium Chair with Integrated Fold-Out Writing Tablet Ganged Floor-Mount Auditorium Chair with Integrated Fold-Out Writing Tablet
AUD-CHR-FW-590-MU Ganged Floor-Mount Auditorium Chair with Integrated Fold-Out Writing Tablet
Yaqi Furniture 590×830×1080 mm 23.2×32.7×42.5 in Linen look Upholstery 150 kg 330.7 lb 未标注，需供应商确认 Warm mustard yellow wool-linen blend fabric Torsion spring with hydraulic damper Auditorium Lecture Hall Chair 1家供应商 暂无现货
Fixed Floor-Mount Orange Fabric Auditorium Chair with Retractable Writing Tablet Fixed Floor-Mount Orange Fabric Auditorium Chair with Retractable Writing Tablet
AUD-TAB-ORANGE-FLOOR-590 Fixed Floor-Mount Orange Fabric Auditorium Chair with Retractable Writing Tablet
Yaqi Furniture 590×880×1040 mm 23.2×34.6×40.9 in Linen look Upholstery 150 kg 330.7 lb 15mm thick E1 high-density fiberboard, PU edge banding, matte black finish Orange commercial woven fabric, flame-retardant, stain-resistant finish Aluminum alloy alloy, anti-panic fold-away hinge mechanism Auditorium Lecture Hall Chair 1家供应商 暂无现货
Fixed Floor-Mounted Ganged Auditorium Chair with Integrated Foldable Writing Tablet Fixed Floor-Mounted Ganged Auditorium Chair with Integrated Foldable Writing Tablet
AUD-AL-GY-WT-1100 Fixed Floor-Mounted Ganged Auditorium Chair with Integrated Foldable Writing Tablet
Yaqi Furniture 590×820×1100 mm 23.2×32.3×43.3 in Linen look Upholstery 150 kg 330.7 lb 未标注，需供应商确认 4.0 mm thick die-cast aluminum alloy with matte silver powder coat Die-cast aluminum alloy with nylon wear bushings Auditorium Lecture Hall Chair 1家供应商 暂无现货
Fixed Floor-Mounted Auditorium Chair with Swivel Folding Writing Tablet, Red Upholstered Fixed Floor-Mounted Auditorium Chair with Swivel Folding Writing Tablet, Red Upholstered
AUD-RW-590 Fixed Floor-Mounted Auditorium Chair with Swivel Folding Writing Tablet, Red Upholstered
Yaqi Furniture 590×800×1030 mm 23.2×31.5×40.6 in Linen look Upholstery 150 kg 330.7 lb 未标注，需供应商确认 Heavy-duty commercial knitted fabric, red color, optional flame-retardant treatment Rigid black ABS panel, 15mm thick, PVC edge binding, mounted on aluminum swivel bracket Auditorium Lecture Hall Chair 1家供应商 暂无现货
Fixed Floor-Mounted Fabric Auditorium Chair with Foldable Writing Tablet and Wooden Armrests Fixed Floor-Mounted Fabric Auditorium Chair with Foldable Writing Tablet and Wooden Armrests
AUD-GRY-FW-001 Fixed Floor-Mounted Fabric Auditorium Chair with Foldable Writing Tablet and Wooden Armrests
Yaqi Furniture 590×880×1030 mm 23.2×34.6×40.6 in Linen look Upholstery 150 kg 330.7 lb 未标注，需供应商确认 Light grey woven polyester fabric with vertical channel stitching, stain-resistant finish M10 x 80mm hex socket expansion bolts for concrete floor fixing Auditorium Lecture Hall Chair 1家供应商 暂无现货
Fixed Floor-Mounted Auditorium Lecture Chair with Retractable Writing Tablet Fixed Floor-Mounted Auditorium Lecture Chair with Retractable Writing Tablet
AUD-WT-590GR Fixed Floor-Mounted Auditorium Lecture Chair with Retractable Writing Tablet
Yaqi Furniture 590×760×1000 mm 23.2×29.9×39.4 in Linen look Upholstery 150 kg 330.7 lb 未标注，需供应商确认 Wear-resistant treated polyester fabric 2.0mm thick cold-rolled steel plate with aluminum connection brackets Auditorium Lecture Hall Chair 1家供应商 暂无现货
Fixed Ganged Dark Blue Fabric Auditorium Seating with Foldable Attached Writing Tablet Fixed Ganged Dark Blue Fabric Auditorium Seating with Foldable Attached Writing Tablet
AUD-TBL-590-FX Fixed Ganged Dark Blue Fabric Auditorium Seating with Foldable Attached Writing Tablet
Yaqi Furniture 590×830×1080 mm 23.2×32.7×42.5 in multi-layer 150 kg 330.7 lb 未标注，需供应商确认 380g/m² dark blue woven polyester fabric, anti-pilling grade 4, abrasion resistance 50000 Martindale cycles Die-cast aluminum alloy hinge with nylon bushings, damped return spring Lecture Theatre Seating 1家供应商 暂无现货
Ganged Fixed-Mount Blue Fabric Auditorium Chair with Fold-Out Wooden Writing Tablet Ganged Fixed-Mount Blue Fabric Auditorium Chair with Fold-Out Wooden Writing Tablet
AUD-FAB590-WT-BLU Ganged Fixed-Mount Blue Fabric Auditorium Chair with Fold-Out Wooden Writing Tablet
LINGKEN 590×880×1021 mm 23.2×34.6×40.2 in artificial leather 150 kg 330.7 lb 未标注，需供应商确认 Blue knitted flame-retardant polyester fabric, anti-moth treated Double torsion spring with damped buffer and rubber anti-collision pad Auditorium Lecture Hall Chair 1家供应商 暂无现货
Ganged Fixed Auditorium Seating with Left-Arm Flip-Up Writing Tablet Ganged Fixed Auditorium Seating with Left-Arm Flip-Up Writing Tablet
AUD-WT-BLU-590 Ganged Fixed Auditorium Seating with Left-Arm Flip-Up Writing Tablet
LINGKEN 590×830×1080 mm 23.2×32.7×42.5 in artificial leather 150 kg 330.7 lb 未标注，需供应商确认 Blue high-wear woven fabric, 50,000-cycle abrasion rating 12 mm thick multilayer wood panel with matte wood finish, aluminum alloy hinge Auditorium Lecture Hall Chair 1家供应商 暂无现货
Red Upholstered Floor-Mounted Auditorium Chair with Retractable Writing Tablet Red Upholstered Floor-Mounted Auditorium Chair with Retractable Writing Tablet
AUD-RED-WT-590 Red Upholstered Floor-Mounted Auditorium Chair with Retractable Writing Tablet
LINGKEN 590×760×1020 mm 23.2×29.9×40.2 in artificial leather 150 kg 330.7 lb 未标注，需供应商确认 Red woven polyester fabric with anti-fouling, anti-static finish Multi-layer plywood with dark wood veneer finish, steel support hinge Auditorium Lecture Hall Chair 1家供应商 暂无现货
Fixed Floor-Mounted Upholstered Auditorium Chair with Foldable Writing Tablet Fixed Floor-Mounted Upholstered Auditorium Chair with Foldable Writing Tablet
AUD-CHR-WT-590-BR Fixed Floor-Mounted Upholstered Auditorium Chair with Foldable Writing Tablet
LINGKEN 590×880×970 mm 23.2×34.6×38.2 in artificial leather 150 kg 330.7 lb 8 dB Wear-resistant flame-retardant treated brown woven acrylic 15mm thick painted plywood writing surface with steel support hinge Auditorium Lecture Hall Chair 1家供应商 暂无现货
Black Mesh Cantilever Sled Base Fixed-Arm Conference Meeting Chair Black Mesh Cantilever Sled Base Fixed-Arm Conference Meeting Chair
MC-SLED-MESH-875 Black Mesh Cantilever Sled Base Fixed-Arm Conference Meeting Chair
YUXIANG 590×640×875 mm 23.2×25.2×34.4 in Artificial leather 110 kg 242.5 lb 12 mm Taut breathable black polyester mesh Recommended Class 4; outer tube 50 mm; stroke 100 mm 弓字椅 1家供应商 暂无现货
High Back Brown Segmented Leather Executive Swivel Office Chair with Chrome Base High Back Brown Segmented Leather Executive Swivel Office Chair with Chrome Base
EXE-CHR-BRN-1100 High Back Brown Segmented Leather Executive Swivel Office Chair with Chrome Base
YUXIANG 590×550×1100 mm 23.2×21.7×43.3 in Artificial leather 150 kg 330.7 lb Applicable for upholstered furniture formaldehyde emission limits 1.2mm thick brown PU leather Chrome-plated steel Class 3 pneumatic lift 老板大班椅 1家供应商 暂无现货
Mid-Back Black Faux Leather Height-Adjustable Swivel Executive Office Chair Mid-Back Black Faux Leather Height-Adjustable Swivel Executive Office Chair
EXEC-MB-PU60-CHR Mid-Back Black Faux Leather Height-Adjustable Swivel Executive Office Chair
YUXIANG 590×640×1115 mm 23.2×25.2×43.9 in artificial leather 1136 kg 2504.4 lb 未标注，需供应商确认 1.0 mm thick black PU faux leather 50 mm diameter chrome-plated steel Class 3 pneumatic lift 老板大班椅 1家供应商 暂无现货
Black Mesh Back Fixed 4-Leg Conference Office Chair with Padded Seat and Integrated Armrests Black Mesh Back Fixed 4-Leg Conference Office Chair with Padded Seat and Integrated Armrests
CF-MESH-4LEG-01 Black Mesh Back Fixed 4-Leg Conference Office Chair with Padded Seat and Integrated Armrests
YUXIANG 590×550×800 mm 23.2×21.7×31.5 in — 136 kg 299.8 lb Applies to formaldehyde emission limits for wooden and upholstered furniture components 2.0 mm thick powder-coated carbon steel tube No height adjustment mechanism; fixed static seat height 折叠椅 1家供应商 暂无现货
Folding Mesh Back Conference Chair Folding Mesh Back Conference Chair
FMCC-045785 Folding Mesh Back Conference Chair
YUXIANG 590×665×785 mm 23.2×26.2×30.9 in — 120 kg 264.6 lb GB 18584 Breathable black polyester mesh stretched over plastic inner frame Powder-coated silver gray steel tube frame with folding hinges 折叠椅 1家供应商 暂无现货
Mid-Back Mesh Cantilever Conference Office Chair with Fixed Arms Mid-Back Mesh Cantilever Conference Office Chair with Fixed Arms
CANT-MESH-CONF-590 Mid-Back Mesh Cantilever Conference Office Chair with Fixed Arms
YUXIANG 590×620×1030 mm 23.2×24.4×40.6 in — 150 kg 330.7 lb GB 18584 Breathable woven polyester mesh Recommended Class 4; outer tube 50 mm; stroke 100 mm 弓字椅 1家供应商 暂无现货
Mid-back mesh back cantilever sled base fixed armrest visitor conference office chair Mid-back mesh back cantilever sled base fixed armrest visitor conference office chair
VC-MB590-CB Mid-back mesh back cantilever sled base fixed armrest visitor conference office chair
YUXIANG 590×620×1030 mm 23.2×24.4×40.6 in — 136 kg 299.8 lb GB 18584 Breathable woven polyester mesh with integrated lumbar contour Recommended Class 4; outer tube 50 mm; stroke 100 mm 弓字椅 1家供应商 暂无现货
Mid-Back Mesh Office Task Chair with Light Gray Frame and Blue Padded Seat Mid-Back Mesh Office Task Chair with Light Gray Frame and Blue Padded Seat
MB-TASK-LGF-BS-01 Mid-Back Mesh Office Task Chair with Light Gray Frame and Blue Padded Seat
YUXIANG 590×640×1030 mm 23.2×25.2×40.6 in — 120 kg 264.6 lb 未标注，需供应商确认 Tensioned breathable dark gray polyester mesh over PP frame Chrome-finished Class 3 steel gas lift 人体工学办公椅 1家供应商 暂无现货
High Back Ergonomic Mesh Office Chair with Adjustable Headrest, Blue Seat and White Frame High Back Ergonomic Mesh Office Chair with Adjustable Headrest, Blue Seat and White Frame
EMOC-WF-BS-01 High Back Ergonomic Mesh Office Chair with Adjustable Headrest, Blue Seat and White Frame
YUXIANG 590×600×1220 mm 23.2×23.6×48 in — 150 kg 330.7 lb 未标注，需供应商确认 Polyester breathable mesh Class 3 chrome-plated steel, 50mm diameter, 100mm stroke 人体工学办公椅 1家供应商 暂无现货
Mid-Back Mesh Office Task Chair with Fixed Armrests Mid-Back Mesh Office Task Chair with Fixed Armrests
MB-MESH-TASK-590 Mid-Back Mesh Office Task Chair with Fixed Armrests
YUXIANG 590×640×1030 mm 23.2×25.2×40.6 in — 136 kg 299.8 lb 未标注，需供应商确认 Tensioned breathable polyester mesh Steel Class 3 pneumatic cylinder 人体工学办公椅 1家供应商 暂无现货
High-Back Ergonomic Mesh Office Chair with Adjustable Headrest High-Back Ergonomic Mesh Office Chair with Adjustable Headrest
ERG-MSH-FXARM-590 High-Back Ergonomic Mesh Office Chair with Adjustable Headrest
YUXIANG 590×680×1180 mm 23.2×26.8×46.5 in — 200 kg 440.9 lb Applies to indoor furniture formaldehyde emission limit requirements Tensioned mesh surface over curved PP support frame Class 3 steel gas lift, 100 mm stroke, 85 mm outer diameter 人体工学办公椅 1家供应商 暂无现货
Mid-back Ergonomic Mesh Office Task Chair with Fixed Loop Armrests Mid-back Ergonomic Mesh Office Task Chair with Fixed Loop Armrests
MTSH-MB-590GY Mid-back Ergonomic Mesh Office Task Chair with Fixed Loop Armrests
YUXIANG 590×640×1060 mm 23.2×25.2×41.7 in — 136 kg 299.8 lb 未标注，需供应商确认 Wear-resistant polyester fabric seat cover 2mm thick steel tilt mechanism under seat with PP outer back shell 人体工学办公椅 1家供应商 暂无现货
商品对比清单0

关于 FurnDim

FurnDim 家具参数库专注全球家具采购交易，覆盖实木板材、软体家具、办公工程、户外庭院等全品类，连接优质工厂与采购商，助力家具产业链高效协作。

广东省佛山市顺德区家具产业园 88 号
客服热线：+86 13266570935
[email protected]

关于我们

采购指南

商家服务

帮助中心

微信公众号

Admin WhatsApp

友情链接 百度| 淘宝|
© 2026 FurnDim 版权所有  |  全球家具采购交易中心 备案号
法律声明 隐私政策 网站地图