#precision casting china

[nickandrewe]

OTTOMMO Casting is a precision casting China and foundry in China. We have been dedicated to provide cheap but quality castings for years all over the world.

[nickandrewe]

Precision Casting Foundry | Cheap but Quality Castings | OTTOMMO

OTTOMMO Casting is a precision casting China and foundry in China. We have been dedicated to provide cheap but quality castings for years all over the world.

[nickandrewe]

Precision Casting Foundry | Cheap but Quality Castings | OTTOMMO

OTTOMMO Casting is a precision casting foundry in Precision Casting China . We have been dedicated to provide cheap but quality castings for years all over the world.

[oska-chinesearchery-blog]

How to prevent rust  for precision casting parts

Parfect precision casting foundry is a set of investment casting, investment casting equipment, technology transfer, equipment accessories sales in one of the high-tech companies, and then to share with you is the precision casting of rust prevention knowledge. Corrosion or discoloration of metals or alloys in the atmosphere due to oxygen, water, acid, salt, and moist air is known as rust or rust. 

For this reason, the investment of the investment casting is usually in the medium term. Rust prevention method, usually used water rust or rust proof oil. No matter which method is used to prevent rust, the casting must be washed in advance, to remove the dirt surface, and promote the formation of passive film. Composition, temperature and use of washing liquid. After washing the casting with hot, dry compressed air drying, then rust treatment. We are willing to "preferential prices, excellent quality, quality service" with you close cooperation, warmly welcome Chinese and foreign businessmen to seek common development and create a win-win situation.