Thank you very much for your interest in Shanghai Rutica Industrial Tech Co., Ltd ! Our company is high quality steel chain producer in China, with head office in Shanghai and factory in Shandong. We can supply various wiled chains, the strength of chain can ba g30 to g80 and sizes are available from Dia 2mm to 48mm, which are widely used in the field of coal mining, lifting, cement industry, marine use and etc. The special specifications can be produced according to buyer's drawings and samples. All products are produced strictly under different standard such as DIN, ASTM, NACM, etc. Meanwhile, we constant...