About NHH

About NHH

Ngai Hing Hong (the predecessor of Ngai Hing Hong Group ('the Group')) was established in early 1970, through over 20 years of development, the Group, under the name of Ngai Hing Hong Company Limited, is the first company in the industry listed on The Stock Exchange of Hong Kong in April 1994. The Group’s Headquarters situates in Hong Kong and it is principally engaged in the manufacturing and trading of plastics materials, pigments, colorants, compounded plastics resins and engineering plastic products.

In an effort to maximize our market competitiveness, Ngai Hing Hong has been aggressively conducting various researches and trying to expand the available product range. With the leadership of our experienced management team and the support of cutting-edge technology, we are committed to delivering the best services to our customers.

Group Business Structure

Milestone

2018   Ngai Hing Engineering Plastic (Shanghai) Co., Ltd has successfully obtained the certificate of ISO 9001:2015 and ISO/TS 16949:2016.
  Dongguan Ngai Hing Plastic Materials Ltd. has successfully obtained the certificate of IATF16949-2016 and ISO 9001:2015.
  Xiamen Ngai Hing Hong Plastic Materials Co., Ltd. has successfully obtained the certificate of ISO 9001:2015.
2017   Shanghai Ngai Hing Plastic Materials Co., Ltd. has successfully obtained the certificate of ISO 9001:2015.
Tsing Tao Ngai Hing Plastic Materials Co., Ltd. has successfully obtained the certificate of ISO 9001:2015.
Ngai Hing Engineering Plastic (Shanghai) Co., Ltd has successfully obtained the certificate of ISO 9001:2008 and ISO/TS 16949:2009.
Ngai Hing Engineering Plastic (Dongguan) Co., Ltd was acknowledged as “High-Tech Industrial Enterprise” by the Dongguan Government.
2016   Shanghai Ngai Hing Plastic Materials Co., Ltd. has successfully obtained the certificate of ISO 14001:2015.
2014   Dongguan Ngai Hing Plastic Materials Ltd. was in compliance with the requirement of ISO 9001:2008 Quality Management System Standard.
  Shanghai Ngai Hing Plastic Materials Co., Ltd. has successfully obtained the Certificate of ISO/TS16949:2009.
2013   Shanghai Ngai Hing Plastic Materials Co., Ltd. was in compliance with the requirement of ISO 9001:2008 Quality Management System Standard.
  Guangzhou Ngai Hing Hong Plastic Materials Ltd. was established.
2011   The Group's own Factory in Tai Po, Hong Kong commenced production.
  Dongguan Ngai Hing Plastic Materials Ltd. has successfully obtained the Certificate of ISO/TS16949:2009.
  Tianjin Ngai Sog Hing Trading Co., Ltd was established.
  Shanghai Ngai Hing Plastic Materials Co., Ltd has successfully obtained the Certificate of ISO/TS 16949:2009.
2009   Ngai Hing Engineering Plastic (Dongguan) Co., Ltd. was established.
  Shanghai Coltec Plastic Trading Co., Ltd. was established.
  Dongguan Coltec Plastic Trading Co., Ltd was established.
  NHH Coltec Ltd. was in compliance with the requirement of ISO 9001:2008 Quality Management System Standard.
  Tsing Tao Ngai Hing Plastic Materials Ltd. has been awarded the Certificate of GB/T19001-2008 idt ISO 9001:2008.
  NHH Coltec Ltd. has been awarded the Certificate of Green Partner by SONY Corporation.
  Shanghai Ngai Hing Plastics Materials Ltd. was in compliance with the requirement of ISO 9001:2008 Quality Management System Standard.
2008   Dongguan Ngai Hing Plastic Materials Ltd. has been awarded the Certificate of Green Partner by SONY Corporation.
  Dongguan Ngai Hing Plastic Materials Ltd. has been awarded RoHS Certificated by Det Norske Veritas.
2007   Ngai Hing Hong Plastic Materials (Hong Kong) Co., Ltd. was established.
  Shanghai Ngai Sog Hing Trading Co., Ltd. was established.
  Guangzhou Ngai Sog Hing Trading Co., Ltd. was established.
2006   Xiamen Ngai Hing Hong Plastic Materials Co., Ltd. was established.
  Tsing Tao Ngai Hing Trading Co., Ltd. was established.
  Tsing Tao Ngai Hing was in compliance with the requirement of ISO 9001:2000 quality management system standard.
  Ngai Hing Engineering Plastic (Hong Kong) Ltd. was established.
2005   Ngai Hing Hong Research and Development Centre was established in Shanghai.
  Dongguan Ngai Hing has successfully obtained the Certificate of ISO/TS16949: 2002
  Tsing Tao Ngai Hing obtained "Advanced Foreign Investment Enterprise".
2004   Ngai Hing Engineering Plastic Materials (Shanghai) Co., Ltd. was established.
  Shanghai Ngai Hing was accredited as "Hi-Tech Industried Enterprise" by the Shanghai Government.
  Dongguan Ngai Hing was acknowledged as "Hi-Tech" Industrial Enterprise" by Dongguan Government for the second time.
  Tsing Tao Ngai Hing has been awarded "Advanced Technology Unit" by Jiao Zhou ECO & TEC Development Zone Management Committee from 2004 to 2006.
2003   NHH Coltec Ltd. (formerly known as Ngai Hing PlastChem Co. Ltd.) was established.
  Tsing Tao Ngai Hing obtained "Hi-Tech Industrial Enterprise Certificate" by Qingdao Government from 2003 to 2008.
2002   Dongguan Ngai Hing was in compliance with the requirement of ISO9001:2000 certification quality assured system standard.
  Dongguan Ngai Hing was acknowledged as "High-Tech Industrial Enterprise" by the Dongguan Government.
2001   Shanghai Ngai Hing Plastic Materials Co., Ltd. starts a new development for a 20,421 sq. metres factory at Qing Pu, Shanghai.
  Shanghai Ngai Hing was in compliance with the requirement of ISO9001:2000 quality assured system standard.
  Tsing Tao Ngai Hing Plastic Materials Co., Ltd. was established with a new factory about 7,600 sq. metres.
1998   Shanghai Ngai Hing was in compliance with the requirement of ISO9001:1994 quality assured system standard.
1997   Ngai Hing Engineering Plastic Materials Ltd. was formed to provide the production of reinforced polymer.
  Hong Kong Colour Technology Ltd. has been awarded HKITCC Certificate of Merit in Technology Achievement of Hong Kong Awards for Industry.
1996   Shanghai Ngai Hing Plastic Materials Co., Ltd. was established in Qing Pu, Shanghai.
1995   Dongguan Ngai Hing Plastic Materials Ltd. was established with a new factory about 27,000 sq. metres.
  Dongguan Ngai Hing was in compliance with the requirement of ISO9001:1994 quality assured system standard.
1994   First company in the local plastic industry to be listed on the Stock Exchange in Hong Kong.
  Hong Kong Colour Technology Ltd. has been awarded the Governor's Award for Industry Certificate of Merit of Quality.
1993   Hong Kong Colour Technology Ltd. has been awarded the Governor's Award for Industry Certificate of Merit in Environmental Performance.
1992   Hong Kong Colour Technology Ltd. was established to deal with the production of colouration.
1989   Production facilities were established in Dongguan.
1988   Technology of specific Colour Masterbatches was developed.
1987   Computerized Colour Matching System was established.
1984   Ngai Hing Hong Plastic Materials Ltd. was established.
1982   Ngai Hing Hong involved in distribution of plastic polymers.
1978   Our production and factory was expanded in Fotan, Shatin, New Territories.
1972   Colour Compounding business was started.
1970   Ngai Hing Hong was founded to deal with the business in pigment blends (The former of NHH group).