Company Profile

Established in year 1998 in Shanghai city, ALF is an integrated manufacturer , exporter / importer and domestic distributor specialized in pressure instrument , door locks , tools, wine and health care foods "Advance, Love, and Faith" is our operating principle and nucleus of our company culture, as well as where the company name comes from. ALF Machinery & Instrument (Shanghai) Co., Ltd owns one R&D laboratory, over 400 staffs, a total premise of 200,000 square feet and more than USD6 Million annual sales volume. Conducting strict quality control in production, our plant was ISO9002 certified by SGS-England in 1998. Our main products 1. pressure instruments Main Products: general dry pressure gauge, liquid pressure gauge, use no oil pressure gauge, all SS pressure gauge, gas and water test gauge, fire-extinguisher gauge, process gauge, etc. Our pressure gauges are supplied to a wide range of industries including pneumatic, hydraulic, gas, welding, medical, food-process, petro-chemical, and other industries. All pressure gauges are produced to meet America ANSI B40.1 standard and Chinese national Standard £¨GB£© and are MC certified in year 2002. Our use no oil pressure gauges are UL ,manufacturer listed in year 1998. 2. door locksets Tubular locksets: Knob style is available in various styles including big trumpet, small trumpet, tulip, ball, straight lever, etc. Finish is available in PB-polished brass, CP-chrome plated, SS-stainless steel, AB-antique bronze, SC-satin chrome, etc. Functions include EN-entry, PR-privacy, PA-passage, SD-single deadbolt, DD-double deadbolt, combo set etc. All locksets are produced in accordance with ANSI Grade III Standard. Our lockset finish passes 96 hours salty test and lock function passes 100,000 times endurance test. Surface rigidity reaches 4H. The locks are sold to the America Continent and South-East Asia.