China/FuJian

China/Shandong

China/JiangSu

China/HeBei

China/Zhejiang

China/JiangSu

Automatic equipment, wire rolling machine, tooth pressing machine, multi-axis drilling and tapping machine, saw machine, CNC machine tool, spinning machine, edge cutting and coiling machine, metal sealing machine, tube shrinking machine, circular saw machine, kneed machine, rotary cutting machine, wire rolling wheel, non-standard equipment, etc.

China/JiangSu

There is also a professional R&D team in ZHONGBO. There are 2 senior national class engineers, 3 engineers and 7 assist engineers, they are working hard on R&D and improvement of rail fastenings for each field. We are already awarded 40 patents on metro railway fastening system, tramway fastening systems, and performed widely. We are also the testing base of Southwest Jiaotong University regarding to rail fastening systems; we also cooperate with Shanghai Tongji University regarding the research and development about vibrating reduction, wave friction reduction to rail tracks fields and award several leading results.

China/FuJian

China/JiangSu

China/ZheJiang

China/JiangSu

Advantage products: all kinds of nuts, bolts, elastic pad, flat pad, expansion bolts, thread, rivets

China/GuangDong

Bolt sleeve / tailless sleeve / tapping sleeve / internal and external braces / wire braces / hole sleeve / thread adapter / thread sheath

China/JiangSu

Full range of bearing sales, customized processing Authentic imported bearings sales

China/Jiangsu

wire bending machine metal wire form machine double head wire bending machine seat wire frames machine tube bending machine tube form machine spring machine

China/Hebei

our products are extensively used in oil filed, well Drilling, NO Dig filed and other industries.

China/Hubei

China/Zhejiang

Hexagon Head Bolt, custom Hexagon Heavy Nuts, Black Hexagon Flange Bolt

China/Jiangsu

We offer all hardware and equipment needed to take your project from beginning to end,the products including screw,bolts,nuts,washers, pins,anchors or any customized products,the material mainly stainless steel,such as SS410,SS201,SS304 and SS316 or any other special stainless steel, carbon steel like Q235,C1008,C1022, ect, with level 4.8,6.8,8.8 and 12.9 grade.

China/ShangHai

China/Chongqing