成人无码视频,可以在线观看大黄片视频,国产不良视频在线观看,日日夜夜婷婷免费视频

Haiyan Yasheng Hardware Products Co., Ltd. was founded in 1998 and is a technology-based enterprise specializing in the production of small-sized nuts. It is currently located in Yucheng Town, Haiyan CountyThe company has advanced Taiwan multi station equipment, testing equipment, and related professional technical personnel.The product types include: hexagonal nuts, flange nuts, nylon nuts, American and British nuts, and other non-standard nuts.Since its establishment, the company has continuously carried out technological innovation and market development, and has won unanimous praise from customers with its high precision, high quality and reliability, and competitive price characteristics.The company has successively obtained multiple management system certifications and technical patents, and all product indicators meet national standards. With excellent quality and good service, it has established long-term and close business relationships withnumerous domestic and foreign customers.The company always adheres to the business philosophy of "quality first, reputation first, customer first, and integrity-based", and wholeheartedly serves business friends from all walks of life! Looking forward to working hand in hand with you and seeking common development!

DIN934、DIN6923、DIN985、D23、ASME B18.2.2、Non-standard nut