1. Viko Biofuel Company is committed to supplying Cashew Nut Shell Liquid (CNSL) products that meet the highest quality standards, fulfilling all stated technical specifications and relevant industry norms. We implement a rigorous quality control system encompassing every stage, from raw material sourcing to the final finished product.

    We understand that product quality is the critical factor in our customers’ success. At Viko Biofuel, our Cashew Nut Shell Liquid (CNSL) products only leave our facility after passing a Rigorous Final Quality Control Process, ensuring every single batch meets absolute reliability standards.

    • Representative Sample Analysis: We conduct systematic random sampling from the final product batch to ensure the sample accurately reflects the quality of the entire consignment.
    • Comprehensive Testing (Full Spectrum Testing): The representative samples undergo analysis for all committed quality parameters (as listed in our Applied Standards). This testing is performed either at our in-house state-of-the-art Lab or by reputable, independent third-party organizations (e.g., Vinacontrol, SGS).
    • Certificate of Analysis (COA) – Our Gold Standard Commitment: Only batches that achieve 100% compliance with all tested criteria are granted an official Certificate of Analysis (COA). This certification serves as the final seal of approval, authorizing the batch to proceed to the packaging stage.

    Complaint Handling and Traceability

    We maintain a transparent system to safeguard our customers’ rights and uphold the quality of the products delivered.

    Retention Sample Protocol

    • A Retention Sample is kept from every delivered batch under standard storage conditions for a period of [Storage Duration, e.g., 6 months]. This sample serves as the physical basis for comparison and re-analysis in the event of any quality complaint.

    End-to-End Traceability

    • The entire process, from the sourcing of raw input materials to the stages of production, refining, and final quality control, is meticulously documented. This information allows for rapid traceability through the Lot Number clearly printed on the product packaging.

    Complaint Resolution Procedure

    • All quality complaints from customers are received and prioritized.
    • We will conduct an analysis of the retention sample and collaborate with an independent third party (if necessary) to issue the most accurate technical conclusion.