... CO., LTD is a professional Personal Safety Equipment manufacturing factory, with owned production line as well as export division. Our main ... & Earplug etc,JINHUA HENGFA TOOLS CO., LTD established in 1999 with a small parts assembling facility. After several years development, HF ... PVC frame2. PVC black lens and PC clear lens (LENS: Ø50mm) 3.indirect vents ,protect against dust and liquid4.used in ...