Our factory have had more than 20years experience in processing quality products. Mainly focus on small machine market and Screws. Now we have two separate factories producing small machine (e.g. water heater faucet) and screws.(e.g. Self Drilling Screws) Since we export items to our clients that we cooperation with trading company at very first, based on the orders and good service to provides that we organized TRISUM as a department to responsible for our customers especially. Welcome all our clients to visit our factory and office in CIXI, only two hours near SHANGHAI, and closest airport is LISHE international airport in NINGBO city, we will arrange all you needs.