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ABOUT US

China Loong Valve

Quality Control At China Loong Butterfly Valve Co., Ltd., quality control is integrated into every stage of manufacturing and order fulfillment. Our approach supports the consistent production of butterfly valves, high performance butterfly valves, ball valves, gate valves, globe valves, check valves, angle valves, needle valves, shutoff valves, Y-strainers, and related joints and flanges for international industrial applications. 1. Incoming Material Inspection Materials and purchased components are reviewed before they enter production. Inspection activities are carried out according to product specifications, purchasing requirements, and internal inspection standards. Verification of material type, dimensions, and identification where applicable Visual inspection of castings, forgings, valve bodies, discs, stems, seats, seals, and other component...
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Focus on the production of valve for more than 20 years

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SERVICE PROCESS

  • Requirement Communication

    Before starting a project, we engage in in-depth discussions with the client to fully understand their specific needs and technical requirements, laying a strong foundation for subsequent design and production.

  • Solution Design

    Based on the client’s product drawings or particular specifications, our technical team drafts a detailed design and manufacturing plan, ensuring each detail meets the intended application scenarios.

  • Production & Quality Control

    With advanced machinery and proven processes, we strictly implement our quality management system. From raw materials to finished products, multiple inspections are conducted at every stage to ensure product performance and quality standards are met.

  • Delivery & Shipping

    Depending on the client’s location and order volume, we flexibly choose shipping methods such as sea, air, land transport, or express delivery, coordinating delivery schedules to ensure timely arrival.

  • After-Sales Support

    Following delivery, we provide ongoing technical assistance and maintenance services. We respond quickly to address any issues arising during product usage, ensuring an excellent customer experience.

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Customer Service

Contact our team directly for product, quotation and OEM support.

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