"Safe, reliable and durable" is the sole criterion for evaluating products at all times. We are well aware of customers' expectations. Therefore, all products manufactured by us must meet all the test items required in the drawing.
√ The range of tests:
◆ tensile and proof load test
◆ drive and Min broken torque test
◆ hardness test
◆ measurement of coating thickness
◆ anti corrosion
◆ hydrogen embrittlement test