
Factory Price Chemical 85% 90% 94% High Purity Dye Chemical Formic Acid. High Purity Options: Available in 85%, 90%, and 94% purity grades for industrial applications. Free Sample Service: Free samples provided before order and after production for quality verification. 19 Years Experience: Manufacturer with 19 years of export experience and ISO quality system certification. Multi-Industry Use: Widely used in leather, textile, rubber, paper, and metal surface treatment. Strict Quality Control: SGS tested and strict inspection system from material purchase to shipping. Custom Packaging: Packing can be customized according to specific customer requirements. Fast Response Time: Feedback provided within 1 hour during working days and 6 hours after work.