Cast iron flanges GOST 33259
For heating and water supply lines, DN 15–300
View detailsWe source and QC cast steel and cast iron parts from 2–3 verified foundries in Hebei: batch documentation, DN / PN compliance, FOB Qinhuangdao / Tianjin.
GostPipe Sourcing is an independent export service: we match a factory to your specification, control the lot before shipment and prepare the documents. The range covers GOST 12820, 12821, 33259, 17375–17378 and 5762; loading is FOB Qinhuangdao or Tianjin, and quotes are answered within 24 hours.
Four product groups that most often cover the needs of heating, water and auxiliary oil & gas projects.
For heating and water supply lines, DN 15–300
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Three product groups that can be combined into one FOB shipment.
СЧ20 / ВЧ50, PN 6–16, for heating and water systems
Steel 20 / 09Г2С, weld-on and WN types, for on-site installation
Elbows, tees, reducers, gate and check valves in one shipment
We are a sourcing and order follow-up service, not a manufacturer. Our value is in controlling standards, documents and shipment.
Items are matched to your specific GOST and drawing, no DIN / ANSI substitution
Mill certificates, batch reports and marking verified before shipment
Volume, weight and container loading plan for your port
Correspondence in Russian and English from inquiry to document closure
GostPipe Sourcing is an independent export sourcing service. We do not manufacture: we match your GOST requirements with specialist foundries in Hebei, verify documentation, inspect the batch and coordinate shipment.
You work with one coordinator, while the supplying factory stays contractually responsible for product quality.
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Supply cases across heating, water supply and auxiliary oil & gas projects.
Customer: heating contractor. Delivery for a district heating network.
Customer: installation company. Water supply node equipment.
Customer: distributor. Auxiliary pipeline.
Customer: wholesale buyer. Mixed warehouse loading.
Guides on pricing, FOB terms and cargo receiving.
Metal, casting, machining, packing and delivery to port
View detailsWhat the seller handles and what stays with the buyer
View detailsA step-by-step check of the batch at your warehouse
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