Define
Start with the right brief.
Product specifications, quantities, destination, delivery window and documentation requirements.

BEIJING · INTERNATIONAL PROCUREMENT
From subsea equipment to industrial chemicals and bulk commodities. One procurement partner, from your first specification to the agreed delivery.
01 / WHAT WE SOURCE
Technical equipment, essential materials and bulk inputs — sourced around your specifications, quantities and delivery priorities.
01 /Subsea systems, controls, connectors and offshore project equipment.
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02 /Industrial chemicals, process materials and petrochemical inputs.
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03 /Metals, polymers, minerals and bulk industrial inputs.
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04 /Mechanical equipment, valves, cables and project materials.
Explore capability02 / HOW WE WORK
Good procurement connects the technical detail to the commercial decision. We coordinate each stage, with clear scope and agreed responsibilities.
Our procurement approachProduct specifications, quantities, destination, delivery window and documentation requirements.
Supplier identification, capability review and structured technical and commercial comparison.
Purchase terms, production milestones, document follow-up and agreed inspection points.
Packing, consolidation, shipping documents and coordination with suitable logistics providers.
SELECTED PRODUCTS
From defined chemical grades to engineered subsea assemblies. Start with a product, then refine the specification.
Explore the catalogue
Umbilicals · Flying leads · Wet-mate connectors
Umbilicals, flying leads and wet-mate connectors for subsea power, hydraulic services and control. We coordinate sourcing around the interfaces and operating conditions of your project.
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HNO₃ · CAS 7697-37-2
Concentrated nitric acid for industrial procurement enquiries, with batch composition, packaging and delivery requirements agreed before supply.
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Cu-OF · CuAg0.10(OF) · Hollow profiles
Rectangular and square seamless hollow conductors in copper and copper-silver grades, sourced to your drawing, dimensional tolerances and quality requirements.
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Valves · Actuation · Piping interfaces
Valve and actuator procurement for process, utility and project piping systems, with interfaces and documentation matched to the valve schedule.
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04 / THE DETAIL MATTERS
Supplier identity. Technical conformity. Commercial terms. Product documentation. We bring the details together before a purchasing decision.

BEIJING, CHINA · EST. 2024
From China’s capital, Sinohai connects industrial buyers with manufacturers, engineering companies and trading partners. Our industry contacts support sourcing across subsea equipment, chemicals and bulk materials.
Meet SinohaiSTART WITH YOUR REQUIREMENT
A specification. A bill of materials. A recurring purchasing requirement. Turn it into a structured enquiry.
Prepare an RFQ