| Message: | Chain material:
20Mn2A, 20Mn2K, 20Mn2, 25MnV and other series of economic raw materials;
High-end raw materials 20CrNiMo, 23MnNiMoCr54 and other series.
Safety guarantee: 6m load test (2 ～ 2.5WLL), no less than 4WLL safety factor.
Surface treatment: blackening, galvanizing, dipping url:http://www.bstlschain.com |
my account