Quality Control

Scientific Inspection, Careful Control

The laboratory with an investment of over 1 million USD must carry out strict testing of various physical and chemical indicators before products have been dispatched.

Standard Formulation

As a rule-making company in the straw industry, the National Industry Standards, National Standards, and ISO International Standards have been drafted and compiled by Shuangtong Daily Necessities for more than ten years.

Professional Certifications

Twenty years of professional accumulation which Soton has passed the following certifications: Production License QS Certification, ISO9000, ISO1400, BSCI, EU SGS, US FDA, LFGB, BPI, and other related enterprise and product certifications