The leading special fastener product manufacturers in China.We have supplied products working at extremely high heat and pressure high resistance for use in elevated environments, typically evidenced in power generation sector; and manufacture high quality non standard products for the Turbines and Marine areas.We founded united laboratory with China Central Iron and Steel Research Institute. Only the thoroughbred that clearly makes the identity and exceeds a lot of obstacles is sent off to the market by us.We look forward to hear from you and would be happy to answer any questions that may arise.