Main Exhibits:Zhejiang Dite High Strength Bolt Co., Ltd. was founded in 1985, with a registered capital of 68 million RMB. The company is National High-tech Enterprise, Ministry of Industry and Information Technology Standard, Elaboration, Specialization and Innovation "Little Giant" Enterprise. The company has ISO three systems (quality, environment, safety) certification and American Petroleum Institute API 20E BSL-3 certification. It is a member unit of the National Fastener Standardization Technical Commi