We are the manufacture of steel chains and its accessories in China, with head office Shanghai factory Shandong, Province. can produce various wiled , strength chain be grade at 30-90 sizes from Dia 2mm to 48 mm. which widely used field coal mining, lifting, ...

The mechanical factory is located the gongyi city in zhengzhou, capital of henan province, with nine dynasties between luoyang, south songshan shaolin temple, yi to west bank, according north Yellow River, high-speed even huo across whole territory, ...