You are warmly welcome to enter the electrical world of "Chko", you’ll notice what showing you, not only the excellent electrial apparatus, but also you will be convinced that an enterprise aspiring to "High-quality", "High-technology" and adopt management of ISO9002 international system. At the same time, you will need worry about nothing, because:
Quality: 180 series, more than 3,000 kinds of electrical apparatus manufactured by our own company have obtained individually “CCC” issued by our government, and some of them have passed the tests of CE, UL, etc.