Zhejiang Longxin Machine-Building Co., Ltd is a professional manufacturer in the industry of the compressed air purification and treatment. Currently, our products are mainly refrigerated compressed air dryers or freezing air dryers, adsorption air dryers or desiccant air dryers, air filters and air tanks, pressure vessels, they are widely used in the petroleum, textiles, chemical fibers, spaying, electronics, pharmacy, brewings, mouldings and autos. These products are very popular around the world market, the feedback from the customers prove it. To guarantee the quality, we employ many experienced technicians in this filed, integrate the updated technology and apply quality parts from the world, at your request, we can supply the friendly environmently products, and for the quality control, we strive to make all the process accordingly comply with the international standard. The OEM service will be available, any specific design also welcomed. What we do all is just for your ultimate satisfaction, please be with us to experience it.