March 1998
The application of the pipeline drilling machine is patent. The patent number is ZL 98211979.8
March 1998
Pipeline non-stop plugging device patent application, patent number ZL 982, 11978.X
September 1998
HT series pipeline continuous opening hole equipment, won the 1998 national new product certificate
May 2000
HT series pipeline non-stop opening and discharge equipment was awarded the two prize of Jiangxi science and technology progress in 199
January 2001
The project of "pipeline non-stop opening hole and sealing equipment" won the "95" excellent project award of technological innovation in Jiangxi Province
May 2002
PE pipeline open
Hole device patent, patent No. ZL 2224145
May 2002
PE pipeline occluder patent No. ZL 2224144.2
December 2002
HT300 pipeline continuous opening and closing equipment has won the certificate of Jiangxi hi tech product
2002
PE pipeline continuous plugging and opening equipment was awarded two OO two new product certificate of Jiangxi Province
February 2003
HT series pipeline non-stop opening hole equipment, won the brand-name products in Xinyu
March 2003
HTPE300, EXPE300
PE pipeline non-stop plugging and opening equipment, won the first prize of two OO, two new excellent products in Jiangxi Province
April 2003
PE pipeline plugging and sealing equipment PE300 won national key new product certificate
December 2003
Company "Jiangxi TEDA Changlin special equipment limited liability company
August 2005
Air bag patent application patent No. ZL 200520105041.3
June 2006
Our products are certified by ISO9001:2000 quality system
September 2008
The company passed the national quality
General Administration of supervision, inspection and quarantine, special equipment manufacturing license, valves B (6.4MPa), pipe fittings B2 (6.4MPa) Certificate No. TS2736007-2012
September 2012
The company passes the State Administration of quality supervision, inspection and quarantine, special equipment manufacturing license, valves A1 (2), A2 (1), B1, B2 and pipe fittings, B1 (2), B2 level certificate number TS2710W65-2016
January 2015
Applied for patent in January 28, 2015, "an automatic hydraulic control station with holes"
May 2015
In May 15, 2015, the "occupational health and safety management system certification" was obtained
In May 15, 2015, the "environmental management system certification" was obtained
August 2015
In August 10, 2015, the "quality management system certification" was obtained
September 2015
In September 25, 2015, we obtained the certificate of high and new technology enterprises
October 2015
In October 16, 2015, the credit rating certificate was obtained
December 2015
In December 25, 2015, the "pollutant discharge permit" was obtained