... film inside, hessian cloth or woven bag outside. From the Tensile Strength, there are two assortments, Iron ... -550Mpa )and Steel wire ( up to 1600Mpa ) From the Zinc-coating rate, it divides into Electro-Galvanized ... 400GSM, the zinc-coating rate affect price a lot, we factory have advanced enquipment to test the zinc ... content. You are welcome to visit our factory, I am sure our Production Capacity and ...