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Your One-Stop Chemical Solvent Supply Expert - Richnow Chem

How do you ensure the quality stability of every batch?

2026-04-15
To ensure stable and reliable quality for every batch, we have established and strictly implemented a "Five-in-One" full-process quality control system, which forms a closed-loop management covering the entire supply chain from raw material sources to finished goods delivery.
  • Stable raw material sourcing: We have built long-term strategic partnerships with large upstream petrochemical companies to guarantee a stable and reliable supply of basic raw materials. All incoming materials must pass strict inspections before being accepted into the warehouse, eliminating quality fluctuations at the source.
  • Strict production process control: Advanced DCS (Distributed Control System) is adopted in production to realize fully automatic and precise control over key parameters such as temperature, pressure and reaction time. This minimizes inconsistencies caused by manual operation and ensures the production process of each batch can be accurately replicated.
  • Rigorous finished product screening: Before delivery, each batch undergoes a full set of index tests by our quality control department, based on internal standards stricter than national standards. Only products that fully meet our in-house quality requirements, accompanied by a complete Quality Inspection Report, are approved for shipment.
  • Comprehensive traceability assurance: We maintain a sound long-term sample retention system. Each batch carries a unique production batch number, enabling full life-cycle traceability from raw material procurement, production and testing to final delivery. Any quality issue can be quickly traced and thoroughly reviewed.
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Contact Person: Guan Na
Phone Number: 86-13205415284
WhatsApp: 86-13205415284
Company Address: Room 1607, Block A, Rongsheng Plaza, No. 9, Beiyuan Avenue, Licheng District, Ji'nan City, Shandong, China
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