School backpack set including teens girls backpack and coins purse are made of durable waterproof lightweight polyester material, which is perfect as middle & high school backpack, college backpack, travel casual daypack, womens laptop backpack, summer ca
The graphite electrode produced by our company is made of high-quality petroleum coke, needle coke, coal tar pitch and other low ash raw materials. After being calcined, batched, kneaded, shaped, roasted and pressure impregnated, it is graphitized at a te
This 0.6/1KV PVC NYY Cable is equipped with excellent fireproof performance, andthe fire resistance grade meets international test, which has longer service life for use.
Tungsten wire is universally used to make tungsten wire resistance for bulb, lamps. Besides, it can be used in making optical instrument, electric vacuum components, high temperature resistant parts,Baoji Hanz Material Technology CO.,LTD provide all kinds
This kind of Waterproof Aluminum Foil Cooler Bag is made of high quality materials with exquisite workmanship. The top cover features a zipper to separate food from forks and knives. It has a Velcro design for easy carrying and folding.
The plane structural members which are mainly used to bear the transverse load are called flexural members. Full Web flexural members are often called beams, and lattice members are often called trusses.