We have operated chemical for many years and are specializing in producing chemical products.
sodium sulphide 60% min FE : 5ppm .10ppm .15ppm.20ppm.30ppm.50ppm.80ppm.150ppm.1500ppm
Dear Sir or Madam: We saw your company on the China commodity net. we are very pleased to start a business with you.. hope this e-mail won ¡  ¯ t trouble you . Please just pay several minutes to read....