- 2011-2015
- 2006-2010
- 2001-2005
- 1995-2000
In May, acquired the patent of “manufacturing method of modified aryl-alkyl to replace salicylic acid resin polyvalent metal salt”.
In March, acquired the patent of “a color developer specially used for membrane transfer machine inside coating and its manufacturing method”.
In February, high colloid stability sulfurized calcium alkyl phenolate product from Ruifeng passed the province technology appraisal, acquired Xinxiang city science and technology progress second prize.
In April, passed the OHSAS18001:2011 occupational health and safety management system certification.
In July, acquired again (first acquired in 2003) the quality environmental management system certification.
In May, the synthesis technology of sulfurized calcium alkyl phenolate passed Henan province technology appraisal, acquired Xinxiang city science and technology progress first prize.
In August, declared the patent of “manufacturing method of one aryl-alkyl to replace hydroxybenzoic acid resin polyvalent metal salt”, and acquired the patent.
Ruida trademark became registered trademark.
In November, acquired the title of China Quality Credit Enterprise.
In December, acquired the related Europe patent.
Passed the ISO9001 quality management system and ISO14001 environmental management system certification.
Up to now, Henan province high-tech enterprise.
In June, the resin color developer project won the Henan province science and technology progress first prize.
Resin color developer project was recommended to participate in evaluating and selecting of state technological invention award by technology department of Henan province.
In March, Resin color developer project was recommended to participate in evaluating and selecting of state technological invention award by technology department of Henan province.
Ruida brand US trademark was registered successfully.
Declared the patent of “manufacturing method of using bentonite to produce carclazyte type color developer specially used for carbonless copy paper”, acquired the patent in 2000.
Declared the patent (color developer) of “modified phenol formaldehyde resin and carboxylic acid metal salts graft copolymer”, acquired the patent in 2000.