What's ChangZeng working time?
Generally speaking, Shanghai ChangZeng Metal Co., Ltd. 's workers is on duty from 8:30 am to 6:00 pm. Don't hesitate to contact us if there are any queries. The email service operates 24 hours every day. You will leave message on social networking and answer will be made whenever possible.

ChangZengis a large company that has grown and prospered, with a potent capability in manufacturing stainless steel pipe. ChangZeng's steel products series include multiple types. A wide range of tests on ChangZeng steel products have been performed. These tests are conducted in accordance with IEC/EN 60335 parts 1 and 2. It is selling well in Southeast Asia, the Middle East, Europe, etc. It is characterized by its remarkable temperature resistance. High-temperature oxidation resistant coating, which may react with the active molecule under high temperature, is applied on the surface. It is tested by third parties such as SGS and BV.

We formulate plans on environmental protection, energy and resources conservation. We bring in infrastructure that mainly disposes of wastewater and waste gases. Besides, we will have strict control over resources use.
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