HI-TEC Machinery Co., Ltd started as small family-owned factory in 2000, located in Shaoxing, China. At the beginning as it was established, the factory have cooperated with big company in fluid connection business which experience exceed 40 years, attributed to the rock-solid quality of the factory's products and thoughtful service to its partner. As far as now, The factory are specialized in manufacturing hydraulic quick release couplings, pneumatic quick release couplings, automated multi-coupling system, multi-snap system and other precision assembly products for fluid connection line. GK brand couplings are following the ISO standard, material could be stainless steel, brass, carbon steel, aluminium even composite. Products can be applied widely to the connection of mechanical equipment, marine engineering equipment, automotive industry, military equipment, medical, aviation, chemical and power equipment. Our products are exported to north America, Europe, Middle east, Asia etc. With powerful and experienced engineering ability from our factory, we do not only offer the present developed products, but have the strong ability to design and develop new item according to customers' demand, which include the OEM service.Welcome to inquire on our products and service.