From the restructuring of state-owned enterprises in 1989, to change to Beilun Plastic Valve Factory in 2000, and then officially renamed as Ningbo Boye Plastic Valve Co. BLSJ trademark to take the lead in the domestic market, the introduction of domestic and foreign valve manufacturing advanced technology, as a valve industry leader, from the early days of a single several valves, specifications, development to the present has: five kinds of materials (FRPP, UPVC, CPVC, PPH, PVDF ....)