portable dissolved oxygen analyzer Shanghai Boqu Instrument Co., Ltd. adopts a serious regulation system of raw material suppliers for portable dissolved oxygen analyzer. In order to ensure stable and premium raw material supply and normal production schedule, we have strict requirements for raw material provided by suppliers. The material must be tested and assessed and its purchase is strictly controlled under the national standard.
BOQU portable dissolved oxygen analyzer Shanghai Boqu Instrument Co., Ltd. is an expert when it comes to the production of quality portable dissolved oxygen analyzer. We are ISO 9001-compliant and have quality assurance systems conforming to this international standard. We maintain high levels of product quality and ensure proper management of each department such as development, procurement and production. We are also improving quality in the selection of suppliers.water purity checking device,water level meter,water meters for sale.