Post-treatment
| Name | Application | Characteristics |
| discoloration preventing agent | It is a deposition Sn and/or Sn alloy was developed as a discoloration preventing agent uses, | Can directly replace the trisodium phosphate and processing process. |
We will create the commercial civilization with the strength of the enterprise and keep pace with the development of the world. We will always stick to the principle of "five kinds of interests" and balance the interests of all parties, and create a new mode of operation of the modern service industry by integrating industry, finance and capital resources.
