Our enterprise since its inception, constantly regards product good quality as organization life, constantly improve production technology, strengthen merchandise high quality and continuously strengthen enterprise total good quality administration, in strict accordance with all the national standard ISO 9001:2000 for High Quality Calibration Gas, Gas 99.999% Ch4 Methane Gas, Methane And Carbon Dioxide, H2 Gas,C2h4 Fruit Ripening Agent. We have professional products knowledge and rich experience on manufacturing. We always believe your success is our business! The product will supply to all over the world, such as Europe, America, Australia,Irish, Sao Paulo,Iran, Guinea.Our domestic website's generated over 50, 000 purchasing orders every year and quite successful for internet shopping in Japan. We would be happy to have an opportunity to do business with your company. Looking forward to receiving your message !