Cleaning step The components of the valve must be proce […]
The components of the valve must be processed through the following processes before assembly:
1. According to the processing requirements, some parts need to be polished, and the surface cannot be processed with burrs;
2. All parts are degreased;
3. After the degreasing is completed, the acid is washed and passivated, and the cleaning agent does not contain phosphorus;
4, after pickling and purification, rinse with pure water, there can be no drug residue, carbon steel parts save this step;
5. Dry the parts one by one with a non-woven fabric, and do not leave the surface of the parts such as wire wool, or blow dry with clean nitrogen;
6. Use a non-woven fabric or a precision filter paper to analyze the pure alcohol and wipe each component one by one until there is no dirty color.
18 years experience in sanitaryware fitting industry
Our products are sold to more than 30 countries and regions
We have a large production team, R & D team
Our factory has a total investment of more than 30 million.
7000² square meters of factory area
We have more than 10 patents for inventions