Polished Brass, Satin Nickel, Oil Rubbed Bronze, Antique Brass, Bright Chrome, Satin Chrome, Antique Copper, Antique Nickel,Venetian Bronze and Matt Black available.
ANSI Grade 3 standard
1-3/8"~1-3/4"(35-45mm) standard doors
One-piece Bel-Air style knobs
1"x 2-1/4"(25mm*57mm), round corner or square corner
Standard 1/4 R round corner, square corner and extended strike plate available
Reversible for right-hand or left-hand
Optional lock function
Master-keying and construction-keying available;
Keyed alike or keyed different available
ALF received the following certificates and patents:
ISO9001:2015 manufacture of pressure gauge and door lock
ANSI Grade 3: entry door lock
High-Tech Enterprise (Jiangsu Province)
32 different patents on products and processes
Kunshan ALF Machinery & Instrument Co. Ltd. was founded in Shanghai in 1998. With a production base of 70,000 square meters located at Huaqiao Town, Kunshan, Jiangsu province, ALF is specialized in the production and export of pressure gauge and door lock.ALF look forwards to strengthen our cooperation with customers and suppliers and enter a fast-growth lane through training key personnel, fasten technical developments, improving product quality, and enhancing customer satisfaction.