Product Description
Electric purpose tungsten contact
Purity W1≥ 99.95%
Specific gravity≥ 19.10g/cm3~19.3G/cm3
Crystal grain number≥ 10000 PCS/mm2
Hardness HRA≥ 71-74
Size allowable tolerance d. H± 0.05mm (It can produce the goods according to the client's coming drawings. )
Seat nail material is low carbon steel whose carbon content is equal to or less than 0.10%.
The copper purity of copper welding material is equal to or larger than 99.95%.
Welding point strength≥ 83MPa
It strictly produces the goods according to P. R. China Mechanical Industry Standard.
JB/T9860.1-1999
Minyang Group Co., Ltd was located in the north of famous moutain-yangtang mountain in the electric city — Liushi.
Our company is one of the earliest expert manufacturer to produce electrical contact, rivet, silver wire, and so on. In our compay, we have many high learned staff group and have excellent technical department which can explore any special type for our guests...And our ompany have nice management to control low cost to offer our guests best price with advanced productive equipment and examination machinery for supplying high quality products, so our company have won high reputations and good trust from widely guests.
Since our company was founded, we keep our tenet " Quality first, Customer first" all the time, and we pasted the quality system certificate ISO90012000. Our company is an expertly manufacturer to produce AgW, AgWC, AgNi, AgCdO, AgZnO3, AgSnO2, AgC, AgCu alloy, AgCu compound, CuW and so on compound rivet electrical contact which was widely used in railroad-signal relay, low voltage circuit breaker, protection switch for circuit, contact for air apparatus, low voltage contactors, relays, automatic switch flash relays, auxiliary switch series, timers, starters, breakers and leakage protective switches, etc.
At last, our company will welcome our new and old guests from any place to direct us and do some cooperations with us we must offer our best price, high quality and good after-sale sevice to our any customer.
