TianChengQianHai is an ISO 9001 certificated company specialized in manufacturing and marketing heating core. As one of the leading manufacturers and suppliers in China, our factory also offers you free sample, customized service as well as quotation cons
Water heater 1. Configuration. Various materials. 1) Aluminium shell or pipe, it is cheaper, but not good in resistance to corrosion. 2) Brass or copper shell or pipe, it is good in resistance to corrosion. But it costs higher. 3) Ceramic shell, it’s good
GSWF is one of the leading China magnetron sputtering solar window film manufacturers, suppliers, and distributors with one of the famous brands, equipped with professional factory, we are able to offer you 3M quality, USA quality and Korea magnetron sput