Hangzhou KELMA is a specialized manufacturer and supplier in the fields of heaters and heating elements, refrigerating products and accessories. Most of our products have already obtained ISO9000, CCC, CE, CB, VDE, and RoHS approvals. Our products enjoy high reputations in the international market. Our company is located in the "electrical capital province"--Zhejiang, which makes us enjoy strong technology predominance in equipment improvement and new product research. At the same time, our ...