Established in 1999, FUYU door lock has gradually become one of the most famous door lock manufacturers in China because of high quality, high added value, variety and variation.
A:There are several steps in the production of door lock stainless steel . Each step is of great significance and is made strictly. Raw materials are important in the production. They should be tested before being processed. During the production, the production line should be controlled to make sure that the output is stable and the quality is great. Then quality control is taken. In general, the manufacturer should separate each production step by establishing different workshops.