Where to get help if best copper solvent gets problem during the use?

After identifying the problems of copper solvent , Zhengzhou Deyuan Fine Chemicals Co., Ltd. will arrange the most professional after-sales team to help you. By following the instruction manual, we are responsible for repairing the products for free during the warranty period. During the usage of the product, you can send the product back to us for repair. Once the product is out of warranty period, we will charge you for the parts and accessories.

Deyuan has a global advantage in the field of molybdenum reagent. The molybdenum reagent series has many styles to meet the diversified needs of customers. Deyuan complexing agent is thoroughly tested by our QC professionals who conduct pull tests and fatigue tests on each style of garment. The product features all-round protection. It adopts high-performance and insulating electrical components, which can effectively prevent any sudden electrical problem.

We have dedicated teams who work together day­-in and day­-out to create amazing projects. They make the company able to respond rapidly to trends in the market and anticipate our customers' needs.