Production and sales of all kinds of pneumatic and hydraulic quick coupler quick connector. KZD quick connectors and high-performance gas-liquid Nitto standards prevail, in line with ISO7241-B standard, and with the United States Parker (PARKER) 60 Series, Italian Kuaishi (FASTER) ANV series, the American love Lectra (AEROQUIP) Fd45 series and the U.S. Hansen (HANSEN) HK series with each other, medium temperature: -20 ℃ +80 ℃; made of 59-1 copper; connection is: 04 Path-PT18, 06 path-PT14, 08 path-PT38, 10 Path-PT12, 15 path-PT34, 20 path-PT1, the connector applies to the frozen oil, water and air as the medium of the occasion, can be used for hydraulic machinery, chemicals, marine accessories tubes. Nominal pressure 160kgf/cm2, hydraulic quick coupling: ISO7241-A, ISO7241-B, Q/ZB275-77 KZE ..., KZD ..., KZF ..., KZE ..., YJ-AJ ......