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Testing & Standard

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Testing Scope: 1.welding machine and allied processes:25products
2. motor: motors of medium and small power
3. winding wires:41 products
Standard: After several times check and revise, there are 68 items of current national standard and industrial standard. These standards cover all arc welding machine and key allied processes, and most of the resistance welding machine. Because of the small using range of special welding machine , standard for the friction welding machine is composed. After repeated revise, the current standard is more reasonable. At present , the safety standard is separated with technical standard; and national standard is coordinated with international standard.