Established in 2006, Our company located at City Hangzhou about half and a hour from Shanghai, which is renowned for its westlake. Emphasis on the quality and efficiency, we established good relationship with those factories with very good quality and enjoy great reputation both in domestic and abroad. We keep in control the punctual delivery and before and after quality inspection. Our main product is roller chain including transmission chain, dragging chain, conveyor chain and special chain. Our products comply with ISO9001 and ISO14001 QC system.