
With rich production experience, Foshan Ziwei Metal Products Co.,Ltd has become one of the leading domestic manufacturers of pull-tite seal. bolt seals is one of Ziwei's multiple product series. Ziwei bolt seals has an improved heat sink developed by our R&D team. The R&D team has carried out many experiments on the heat sink for years, and now we create optimized heat sinks which feature quick heat dissipation. Strict quality assurance ensures the higher performance of security seal.

We actively promote the progress of projects in the field of environmental protection. We recycle and reuse most of the wastes and utilize the rest of the waste to generate energy, aiming to develop a cyclic economy.

