LIEN SHENG PLASTIC INDUSTRY CO., Ltd (BLS) is established in 1991, initially for the precision grinding of jewelry, with the airsoft gun flourishing then focus on restructuring BBs production since 1996. BLS has fully automatic production line, the processes are injection, precision grinding, polishing and packing. The production of hundreds of tons of BBs every month and sell worldwide. We provide over dozens of product lines from 0.12g to 0.50g. BLS also offers high-quality and va ariety of customization BBs and merchandise design, production, and packaging.