Bright green flash of small crystalline powder. Soluble in water and alcohol (the Blu-ray fluorescence was red with a strong solution), soluble in solvent fiber, slightly soluble in acetone. Case of concentrated sulfuric acid was yellow-brown, with a strong green fluorescence. Diluted was big red and orange. Case of concentrated nitric acid was golden brown. Its aqueous solution was added sodium hydroxide solution heated Rose Red villous precipitation. Add hydrochloric acid slightly green crystals separated.

Dear Sir/Madam,

We are one of the biggest manufacturer and exporter with a honest and reliable of wide variety of sewing thread raw white in China mainland.

Our products are of top high quality,which is similar to the COAT'S Holdings .the quality of our yarns are quite stable all the years. We have been selling the yarns to the U.K.Italy,Spain,Germany,Switzerland,Belgium,France,Poland, and Asia markets. Almost all of our products are being used by world brand manufacturer of sewing thread.

Our major products have : 100% spun polyester sewing thread r/w & color; poly/poly core spun sewing thread raw white & cour; cotton/poly core spun sewing thread raw white & color; high tenacity continuous polyester filament sewing thread raw white & color; Trilobal polyester filament embroidery thread raw white & color; Rayon viscose filament embroidery thread raw white & color; Bonded Nylon66 Thread, Bonded Polyester Thread,and polyester yarn for weaving, knitting, range from Ne20/1,30/1, 40/1, 50/1, 60/1.

In addition, we have set up a new chemical factory last year, main producing Basic Dye,including Basic Green 4, Basic Violet 10, application for paper, dye,plastic industrial.

For more details,pls view our web site www.richfeng.com

Hope to start working with you soon.

Best Regards,

Richfeng Enterprise Co.,Ltd