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COMPANY FAQ

Does SJ have professional valve selection expertise and technical support in the Oil & Gas, Petrochemical, Power, and Water Treatment sectors?


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





Can SJ fulfill origin and shipping documentation requirements for multi-regional projects, such as COO, EUR.1, and ADIC certificates?


Yes, SJ fully satisfies diverse international project requirements. Leveraging our European corporate registrations and multi-channel European brand authorizations, we can seamlessly provide all necessary documentation for shipments originating from China.

Furthermore, if your project specifies documentation tied directly to SJ's licensed European brands, please state these requirements during the RFQ (Request for Quotation) stage. SJ will provide tailored commercial quotes aligned with your required country of origin and certification standards, including Certificate of Origin (COO), EUR.1 Movement Certificate, and ADIC (Abu Dhabi Islamic Bank / Regional Trade Compliance) documentation.



What are SJ's inspection standards and testing agencies? Can SJ arrange comprehensive product testing through authoritative third-party organizations?


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.


What exactly is the relationship between SANJING Valve Company and S J Valvole S.R.L.?

SJ Valvole S.R.L. is an Italian-registered entity holding multiple European OEM brand authorizations, utilizing shared local facilities for valve manufacturing, testing, and dispatch. SANJING Valve Co. operates as a wholly owned subsidiary of S J Valvole S.R.L., serving as its primary manufacturing hub with licensed processing rights under European brand authorizations.

Strategic Synergy & Operational Purpose

The operational alignment between SANJING Valve Co. and S J Valvole S.R.L. is strategically structured to meet global trading requirements:

Pricing & Cost Efficiency: Optimizes tariff structures and local production costs to maintain competitive global pricing.

Supply Chain & Lead Times: Streamlines manufacturing schedules to meet strict delivery deadlines across international markets.

Compliance & Documentation: Facilitates tailored Certificates of Origin (COO) to fulfill regional import regulations and trade agreements.

Global Agency Agreements: Supports international distribution networks and global strategic partnership frameworks.