--ALF MACHINERY & INSTRUMENT()SHANGHAI) CO., LTD.

ALF Machinery & Instrument (Shanghai) Co., Ltd. is an integrated manufacturer, exporter/importer and domestic distributor based in Shanghai, specializing in pressure instruments, door locks and tools, as well as wine and health care foods. Guided by its “Advance, Love, and Faith” operating principle, the company serves customers with a broad, multi-category product offering.

In pressure instruments, ALF supplies a range of pressure gauges for applications across pneumatic and hydraulic systems, gas and welding, medical and food processing, and petrochemical uses. The company manufactures gauges to meet America’s ANSI B40.1 standard and China’s national GB standards.

For architectural and hardware applications, ALF produces tubular door locksets in multiple knob and lever styles and offers a variety of finishes and functions. Its locksets are made in accordance with ANSI Grade III requirements, with finish and endurance performance validated through salt-spray and cycle testing.

Quality management is emphasized throughout production, supported by an R&D laboratory and established international certification milestones.