After the Spring Festival, the most popular keyword in the air-conditioning industry is that "the raw materials have risen again!" In terms of the product structure of the air conditioner itself, steel plates, aluminum, plastic sheets (HIPS), compressors, copper, and refrigerants are the main raw materials, of which aluminum, plastic sheets, and steel each account for about 8% of the cost of air conditioning, while copper But occupied
wood craving machine servo motor
Zhejiang Synmot Electrical Technology Co., Ltd , https://www.synmot-electrical.com