Main Exhibits：Mechanical seal

Main Exhibits：The main products include: Submersible Pumps, Gear Pump, Flowmeter, Nozzle; LPG Gas Pump, LPG Flowmeter, etc., as well as large oil equipment such as oil depot, oil refinery and oil pump.

Main Exhibits：petroleum exploration and drilling hydraulic quick coupling

Main Exhibits：PEEK

Main Exhibits：Packing, Compression Packing, Injectable Packing, Metallic and Non-Metallic Gasket, Graphite product, PTFE product, Mechanical seal etc.

Main Exhibits：Products and applications of Osonai Company: （such as:etc., key components for petroleum exploration, petroleum drill collars, drive shafts, esistivity drill collars while drilling, male and female drill collars, circuit framework, electronic cabin upper holding cylinder, drill collar wear-resistant belt, flexible short joint body, key components for medium-sized marine diesel engines, medium and high voltage electrical switch components, crankshafts, ball shafts, rollers, tungsten carbide coate

Main Exhibits：Magnetostrictive displacement/liquid level sensor

Main Exhibits：Product presentation：Aerogel material usually refers to the nanoscale particles together form nanometer porous structure, and in the nano hole gaseous dispersion medium of three-dimensional porous light solid material, known as the

Main Exhibits：Bellows sealed globe valve, bellows sealed gate valve, steam trap, condensate recovery pump, manifold, control valve, strainer, general gate valve, globe valve, check valve, etc