Yes, SJ possesses extensive expertise in professional valve selection and comprehensive technical support across the Oil & Gas, Petrochemical, Power Generation, and Water Treatment sectors.

Yes. SANJING and SJ Valvole S.R.L. can support the preparation and coordination of origin, shipping, and trade documentation for international projects.

Available documentation depends on the actual origin of the goods, manufacturing and supply arrangements, destination market, and applicable trade and customs requirements. Certificates of Origin (COO) and other shipping documents can be prepared as applicable to the specific order. EUR.1 and ADIC-related documentation can also be supported where the shipment and transaction meet the relevant requirements.

For projects with specific documentation requirements, please provide the destination country and required documents during the RFQ stage. Our team will review the requirements and confirm the applicable documentation before quotation and order processing.

Yes, SJ fully supports custom third-party inspection preferences. When clients do not specify an agency, SJ defaults to partnering with world-renowned testing institutions—such as SGS, TÜV, and Bureau Veritas (BV)—to provide authoritative third-party inspection reports.

Our standard third-party testing scope includes:

Shell Test (Body Strength Test): Evaluates the structural integrity and mechanical strength of the valve body under maximum design pressure.

High-Pressure Sealing Test (High-Pressure Seat Test): Verifies zero-leakage fluid isolation under high-pressure operating conditions.

Low-Pressure Gas Sealing Test (Low-Pressure Gas Leak Test): Detects micro-leaks using air or inert gas at low pressures, critical for gaseous media applications.

Torque & Operating Force Test: Measures operating torque to guarantee smooth actuation and exact specification compliance.

Specialty Testing: Custom cryogenic, elevated-temperature, or fugitive emission testing tailored to specific project parameters and extreme operating conditions.

SANJING Valve Company is the main manufacturing company, responsible for valve production, quality control, testing, and technical support. SJ Valvole S.R.L. serves as SANJING’s Italian office, supporting its business development, customer communication, and commercial activities in Italy and the European market.

Integrated Manufacturing and European Service

The two operations work together to provide customers with coordinated manufacturing and local market support:

Manufacturing & Quality Control: SANJING Valve Company manages valve manufacturing, inspection, testing, and quality control at its production facilities.

European Market Support: SJ Valvole S.R.L. supports customer communication, commercial coordination, and business development in Italy and other European markets.

Project Coordination: Customer requirements, technical specifications, documentation, production, and delivery can be coordinated between the Italian office and the manufacturing team.

Raw Material Selection Strategy

SJ prioritizes superior quality within equivalent price brackets. We categorize raw materials to match diverse application needs:

L1 Tier (Premium Customization): Formulated for specialized and harsh environments (e.g., extreme high/low temperatures, ultra-high pressure, high salinity, or high oil concentration). Tailored for custom dimensions and specialized tooling. Includes an extended 6-month warranty beyond standard terms.

L2 Tier (Optimal Performance & Versatility): Standardized to ensure peak performance under applicable valve specifications. Engineered for general industrial projects.

L Tier (Cost-Effective Solutions): Delivers baseline functionality and reliable performance at a highly competitive price point.

Flexible Global Logistics

To optimize standard and urgent delivery schedules, we offer multi-channel fulfillment options:

Direct Shipping from China: Primary dispatch point for optimal pricing and high-volume orders.

Regional Fulfillment: Expedited shipping available via our Middle East agency or Italian warehouse to accommodate urgent project timelines and regional requirements.