Green crystal flash. Soluble in cold water and hot water was blue-green, blue soluble in alcohol. Case of concentrated sulfuric acid yellow, dark orange diluted, in which liquid sodium hydroxide solution was added a white precipitate Microstrip green.

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