With its factories in Mainland China and Taiwan, BSI combines the best of the Chinese-speaking world─Mainland's manufacturing prowess and the expertise of the Taiwanese engineer team. BSI dedicates in the pursuit of higher quality and competitiveness, and has invested since year 2000 over USD 7m in the filtration business, with items covering from automatic warehouse system, R&DF housing, filter cartridge production line, laboratory equipments, to clean rooms. Now BSI manufactures and distributes its own brand products under the name of FILTRAFINE