BLT-7A ~ 120A / W screw compressor BLT-7A ~ 120A / W screw compressors for domestic conditions and operating environment designed and manufactured with superior performance, easy to install, nimble and highly productive characteristics; to meet needs of many users, and for users of the production process escort; in ensuring high production efficiency and productivity. BLT series of air compressors in strict accordance with the standards for design, production and testing, the main features for durability and has a high cost. BLT Series air compressors Group has adopted a unified patent injected screw rotors provide high-quality details designed to ensure it can run at the lowest cost, long-term, stable and efficient operation.