Shenyang N-D tech Co., Ltd. was established in 2002, specializing in the production of rigid polyurethane external insulation panel, and a variety of large, medium and small cold storage.Tailored for all kinds of polyurethane cold storage panel, cold storage door, purification panel, Insulation box, Purification workshop. The company has strong financial strength, introduced advanced technology level production lines, and the use of German standards for production;Production capacity is strong, can also be customized according to customer demand, with good quality, fast production, regular...