Our Services
Quality Assurance
Hicharm supplies state-of-the-art metal pretreatment technologies for automotive industry, and offers the most complete line of cleaning, conditioning and conversion coating processes. Producing chemical pretreatments for light metals, plastics, glass and steel for automotive applications, Hicharm Chemicals has set high standards for corrosion protection, paint adhesion and environmental safety.
Hicharm has been a leading chemical technology brand.We have been developing, manufacturing, and supplying state-of-the-art chemical products. Our chemicals are developed with a focus on the health of our environment. Extensive research and development has allowed Hicharm to create some of the most effective and environmentally-friendly chemicals. 
Winfield Polytech Inc.
101 Bretton Rd.Hauppauge, NY 11788 Tel: 610-931-4979 Cell:610-931-4881 E-mail:guanxc@gmail.com