Quality Control
- Quality is the cornerstone of our operations. As a trusted producer of premium plastic pellets—including PC, PC/ABS, PCR, and PA6/PA66—we implement a rigorous multi-stage quality control system to ensure that every batch meets the highest standards of performance, safety, and consistency.
- Our process begins with raw material inspection. All incoming materials are tested for purity, molecular weight, and moisture content to ensure only optimal inputs enter production. During the manufacturing process, advanced automated systems closely monitor critical parameters such as temperature, pressure, and screw speed to maintain uniformity and prevent deviations.
- We employ state-of-the-art laboratory equipment to conduct comprehensive tests throughout production. Key assessments include Melt Flow Index (MFI), impact strength, thermal properties (HDT), color consistency, and electrical characteristics. For eco-friendly materials such as PCR (Post-Consumer Resin), we perform additional checks to verify composition ratios and contaminant levels.
- Our quality system is backed by international certifications including RoHS, REACH, ISO, and UL recognition, providing independent validation of our products’ safety and reliability. Detailed Certificates of Analysis (CoA) are supplied with each shipment, offering full traceability and transparency.
- Beyond technical measures, we foster a company-wide culture of quality. Our technicians receive regular training, and our processes are continuously refined based on data-driven insights and customer feedback.
- We understand that consistent quality enables your production efficiency and product excellence. That’s why we are committed to delivering not just plastic pellets—but reliability and trust in every bag.
Company Profile
Guangzhou Donoyo Chemical Co., Ltd
Contact Person: MrJustin
