ABSTRACT

Portable mode steam sterilizers (Shandong XinHua medical instrument co., LTD), Water quality toxicity of rapid test instrument (Beijing Hamamatsu Photonics Technology Co., Ltd), Constant temperature oscillation incubator (Shanghai ZhiCheng analysis instrument manufacturing co., LTD), PH meter (Mettler Toledo instrument co., LTD), Conductivity meter (Shanghai precision scientific instrument co., LTD), Supersonic cleaner (Kunshan ultrasonic instrument co., LTD).