Wisdom From You 
And Me Prosperity In Business
            And Me Prosperity In Business
 
        Since 2004, Welong's professional ability and innovative level in raw liquid coloring technology have been recognized by domestic and foreign units. Many products have met the certification requirements of environmental protection standards at home and abroad, and have received great love from leaders at all levels and industry peers. Welong has obtained honorary qualifications at the national, provincial, municipal, and industry associations.



