Main Exhibits：Mechanical seals and auxiliary systems

Main Exhibits：PDC (polycrystalline diamond compacts) for oil/gas drilling, PCD/PcBN tool blanks for precision cutting and related superhard materials etc.

Main Exhibits：This exhibition will display various fastener nut products, covering the application needs of multiple industries, mainly including the following categories: 1. Standard nuts: Hex Nut; Flange Nut; Square Nut; Wing Nut; Nylon Lock Nut; Metal Self-locking Nut; Cap Nut; Insert Nut; Wheel Nut; Wind Energy Nut; High Strength Nut; Anti-corrosion Nut; 2. Customized Nuts Customize various special-shaped, non-standard, and special material nut products according to customer needs.

Main Exhibits：Oil drilling and production equipment accessories （BOP Packing Units/Mud Pump Accessories ）

Main Exhibits：Main production: oil drilling seals, BL3NB-1300A, 3NB-1300C, 3NB-1000, 3NB-1600, F-500, F-800, F-1000, F-1300, F-1600, F-2200 and other series of mud pump seals. Business scope: rubber collection, polyurethane rubber skin, piston rubber skin, Vaner rubber skin, cylinder liner gasket, piston assembly, spring pressure plate, punching pipe coil, pressure cap pad, telescopic sleeve, various O-rings, skeleton oil seals and other seals.