At present, there are more than 20 enterprises using about 63 natural gas purification equipments, with a total purification capacity of 1500m³ / h, and the products has been exported. 例如： For example: 
1. Chongqing Qing-mountain Machinery Manufacturing Company - Aichelin multi-purpose furnace, had purchased four QJ-4 (10m3 / h) equipments which have been using for 18 years.  TTT hey purchased two equipments (QJ-4A, 15m3 / h) to associate with continuous production line of Aichelin pusher tray furnace in 2004. 
2. Chongqing Machine Tool Factory - bring in the Aichelin multi-purpose furnace in 1989, had purchased two QJ-4 (10m3 / h) which have been using for 19 years. 
3. Chongqing New-born Mechanical and Electrical Equipment Factory - Aichelin multi-purpose furnace, purchased one which has been using for 11 years, purchased another one QJ-4 (10m3 / h) in 2003.
4. Chongqing Jialing Group purchased three units QJ-4 (10m3 / h) to associate with the IPSEN multi-purpose furnace, which has been used 17 years.
5. Chongqing Hongyan automobile factory - Degussa multi-purpose furnace, purchased QJ-4 (10m3 / h) three units at the beginning, using natural gas instead of propane gas to save 350,000 pear year, which has been using for 7 years. They purchased another three units QJ-4 to associate with the Aichelin equipment in 2003.
6. Sichuan Dan gear Industrial Co., Ltd. - Aichelin multi-purpose furnace, purchased QJ-4 (10m3 / h) two units which have been using for 15 years. 
7. Changchun FAW-Volkswagen - Aichelin multi-purpose furnace, purchased QJ-5 (20m3 / h) two units which have been using for 8 years.
8. The world's No. 1 brand in Germany owned Tianjin SEW Co., Ltd. - Aichelin multi-purpose furnace, purchased QJ-6 (30m3 / h) three in January 2004, which have been put into production. They ordered QJ-6 (30m3 / h) 2 units to match the IPSEN furnace matching in 2007. And they purchased QJ-6 (30m3 / h) five units to match Aichelin multi-purpose furnace in august 2008.
9. Xintai Iron and Steel Company purchased QJ-6 (30m3 / h) two units to match with South Korea Beijing Mosaic (west-east gas pipeline in Xinjiang) in March 2005, and put into production in May 2005. They ordered QJ-6 two units in 2007, and ordered another two units QJ-6 in 2008, whose product qualities lead to the world.
10. Jinan, China Heavy Truck purchased QJ-4A (15m3 / h) two units in October 2005 to Associate with the continuous production line of Aichelin pusher tray furnace.
11. North-Benz Chongqing Gearbox Co., Ltd., bought QJ-5 (20m3 / h) of two in December 2006, which has been put into production.
12. Zhuzhou Gear Company, purchased QJ-5 (20m3 / h) of three in Feb. 2006, using natural gas (west-east gas pipeline in East Sichuan) instead of propane gas to save 850,000 yuan per year, production increased 11%, saving two 1000Kg multi-purpose furnaces, heat treatment and a world leader in product quality (layer depth of effective hardened 1.6mm; light corrosion, the non-Martensite in cogging joint is less than 5μm).
13. Suzhou Jiang drilling New Star Company ordered two units QJ-4A (west-east gas pipeline in Xinjiang) for the production line of Aichelin multi-purpose furnace.
14, Japan's Sumitomo heavy-duty machinery (Tangshan) Co., Ltd., Tianjin, United States Joy Global, Anhui Lu'an, Baoding Great Wall have been put into production.