Since 2006 year Henan Inte Electrical Equipment Co., Ltd. is the manufacturer that specializes in the RD& production and marketing of a full line of gas detection products and solutions in China. br Portable gas detector fixed gas detector, Industrial gas transmitterbrbrOur products have obtained Conformity Certificate of Explosion-Proof and Patten Approval Certificate of the Measuring Instruments. All of the certificates show our superior quality and ensure people>s safety. Our marketing network covers Europe the Middle East, Southeast-Asia America and South Africa.,br>brOEM orders are welcome>