High Quality Curve Spear Tunnel Bolt for Concrete Ring, China High Quality Curve Spear Tunnel Bolt for Concrete Ring Supplier

High Quality Curve Spear Tunnel Bolt for Concrete Ring - tunnel bolt

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Model NO.: cb
Type: Hexagon Head
Head Style: Hexagonal
Grade: 8.8
Finish: Hot Galvanizing
Product Grade: 4.6, 4.8, 6.8, 8.8, 10.9
Product Standard: DIN, ANSI, Arema, GB, GOST...
Trademark: ZBRF
Origin: China
Material: Carbon Steel
Connection: Common Bolt
Standard: DIN, ANSI, GB, JIS, BSW, GOST, Uic
Application: Building
Product Material: Carbon Steel, 35#, 45#, Q235
Usage: Railway Fastener
Surface Couating: HDG, Black, Plain Oiled
Specification: SGS

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Taicang Zhongbo Railway Fastening Co.,Ltd

Address: No.88 Taowan Center Rd,Shaxi Industry Park,Taicang,Jiangsu,China, Taicang, Jiangsu, China, 215421
Tel: +8651253208506
TAICANG ZHONGBO RAILWAY FASTENING is a leading manufacturer and supplier of rail fastening in China. We are dedicated on supplying more better quality rail fastenings to the world railroad, and contributing to availability of more safety and convenient transit. ZHONGBO initially started from 2004 to 2011, it moved to current place, Shaxi Industry Park, Taicang, Jiangsu Province, east of China. The site is about 23000 square meters. There are 320 staff in the site, of which, there are about 16 technical staff, and 112 junior and senior skilled workers, for testing and production facilities, there are more than 260 sets. Total assets is about 120 millions RMB, annual turnover about 180 millions RMB. The annual production capability is 36000 tons including rail fastenings, kinds of railway bolts, screw spikes. ZHONGBO is certificated with ISO 9001:2008 through SGS audit, and also certificated by China Railway Product Testing and Certification Center-CRCC. As well, our products are also approved by world class railroad company, such as UPRR, BNSF, SBB, SRT, PNR, MTR etc. There is also a professional R&D team in ZHONGBO. There are 3 senior national class engineers, 5 engineers and 8 assist engineers, they are working hard on R&D and improvement of rail fastenings for each field. We already awarded 30 patents on metro railway fastening system, tramway fastening systems, and performed widely. We are also the testing base of Southwest Transportation University regarding to rail fastening systems; we also cooperated with Shanghai Tongji University regarding the research and developing about vibrating reduction, wave friction reduction to rail tracks fields and award several leading results.