About Us
2022
Capacity expansion needs, investment set up Anhui Hongtai New Materials Co., LTD., registered capital of 15 million yuan
2016
Tongtian company became a non-public listed company
2007
Nanjing Tongtian Technology Industrial Co., Ltd. wholly acquired Nanjing Meihong Grinding Co., LTD
2006
Sinoma Technology listed
2004
Nanjing Fiberglass Institute became the parent company of Sinomaterials Technology, and Meihong Grinding returned to the hospital as a holding company
2001
Sinoma Technology Co., Ltd. was established
2000
Nanjing Tongtian Technology Industrial Co., Ltd. was established
1999
Nanjing Meihong Grinding Co., Ltd. was established, and Nanjing Glass Fiber Institute was transformed into an enterprise
1994－1997
Four research institutes piloted the joint-stock cooperative system
1992
Nanjing Hongtai Grinding Wheel Co., Ltd. was established, Nanjing Glass Fiber Institute holding
1964
Nanjing Fiberglass Institute was established under the State Bureau of Building Materials Industry