How long is the warranty period of ?

This answer to this question can be found at the "Product Details" of our official website, or through contacting us. Within the warranty period, Shanghai ChangZeng Metal Co., Ltd. will conduct repairs or replacement free of charge if the following conditions occur: malfunction as described in the contract at the time of purchase, defective components, defects in workmanship, etc. However, as for the damage due to misuse, abuse, negligence, or casualty (e.g., fire), acts of God (including but not limited to lightning, flood, tornado, or hurricane), and consumable parts, we are not liable for offering the warranty service.

Equipped with advanced equipment, ChangZeng has always been in the leading position in the steel coil market. ChangZeng's main products include steel products series. This product guarantees better fire security. Glowing/hot-wire based fire hazard testing ensures its materials meet the standards of IEC 60695-2-10. It is chosen for its higher resistance to corrosion. ChangZengcounts with a nationwide net of agents to attend any specific requirement of each customer. It is tested by third parties such as SGS and BV.

We stick to sustainable development. We guide our business partners to improve the social, ethical and environmental consequences of their products, services and supply chains.