Manufacturing and exporting experience for over 30 years.
We are casting and machining together, customer can get more powerful guarantee.it contains raw material and sizes.
In-house mold design and building capabilities
Our CNC machining are in high quality
1)No composition brass mix.
2)All the material made of ingot
3)All the blank are tested the chemical analysis before production
Our copper fittings can be BS,JIS,DIN,ASTM,SAE approved.
Keep secret to your idea and your design.
Professional design team, mold maker engineer. OEM/ODM service.
Professional QC and R&D teams to assure high quality
Fast delivery. For prototype: 7-10 days, Production orders can be arranged specially to meet customer’s urgent demands
Geographical advantages: within 2 hours to airport or sea port.
Fourth, cracks (hot cracks, cold cracks) Characteristics: The appearance of the crack is a straight line or an irregular curve. The surface of the hot crack fracture is strongly oxidized to dark gray or black, no metallic luster, and the surface of the cold crack fracture is clean and has a metallic...
Shrinkage hole Characteristics: The shrinkage hole is a surface roughened hole existing on the surface or inside of the casting, and the slight shrinkage hole is a plurality of small shrinkage holes which are dispersed, that is, the shrinkage, shrinkage or shrinkage of the crystal grains. It often o...
Advantages of the national standard seamless elbow: 1. The material of the national standard seamless elbow is composed of two elements of carbon and hydrogen, absolutely no toxic substances are added, and the material of the national standard seamless elbow is related to the country. The department...