HAL-LOK (Shanghai) Machinery Equipment Co., Ltd. is a wholly-owned enterprise specializing in the R&D and production of pipeline connection components, including ferrule fittings, adapter fittings, quick-connect couplings, stainless steel pressure regulators, diaphragm valves, stainless steel ball valves, stainless steel needle valves, instrument valve manifolds, and seamless steel tubes. The company also provides comprehensive gas pipeline engineering installation services.

Boasting a team of highly skilled engineering, quality assurance, and management professionals, HAL-LOK continuously integrates advanced international technologies, production equipment, and testing instruments. The company is dedicated to becoming a leading enterprise in China's machinery industry.

HAL-LOK maintains consistent investment in product research and development. We adhere to the highest industry standards and strictly operate under an ISO9001 management system to ensure our products meet international quality levels.

Our products are fully interchangeable with major international brands and are well-received both domestically and abroad. They are widely applied across diverse sectors such as petrochemicals, natural gas, metallurgy, analytical instruments, biotechnology/pharmaceuticals, papermaking, food processing, shipbuilding, and semiconductor manufacturing.