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About Synbase Steel
Est. 2005 · Hong Kong
Steel pipelines, engineered end to end.
Synbase Steel is the core pipeline enterprise of E-CHENG STEEL GROUP — manufacturing seamless and welded steel pipe, fittings, flanges and valves across four production bases, and delivering them to energy projects in more than 100 countries.
The strength behind Synbase — E-CHENG STEEL GROUP
¥14B+
Group assets (RMB)
¥3B+
Annual export value
2,000+
Global employees
800+
National patents
Who we are
An integrated steel group with true full-chain capability
EST. 2005 / SYS-INFO
Founded in Hong Kong in 2005, E-CHENG STEEL GROUP is a comprehensive steel industry group with two wholly-owned subsidiaries, four modern production bases across mainland China and three processing and warehousing centers — a system that runs from production and processing to warehousing, transport and sales.
Synbase Steel Co., Ltd.
Production & global salesThe group's core pipeline enterprise — production, custom solutions, precise quotation and worldwide sales of steel pipe, fittings, flanges and valves.
Chen Ming Supply Chain Co., Ltd.
Processing & logisticsThree large processing and warehousing centers across Yantai and Cangzhou — 30,000 m² of storage and over 1,000,000 tons of annual processing capacity.
Applications
- Oil & Gas
- Power
- Municipal
- Building & Structures
- Machinery
- Chemical & Petrochemical
- Offshore
- Food & Pharma
Our journey
Milestones since 2005
Comprehensive record of industrial expansion, automated production lines, and global strategic partnerships.
2005
Founded in Hong Kong
E-CHENG STEEL GROUP is established.
2006
Strategic partnerships
Partnerships with BAOSTEEL and TPCO channel top brands.
2009
Seamless steel line
The group's first pipe production line goes live.
2012
Fittings & flanges
Product range expands into forged and formed components.
2013
Synbase Steel Co.
The group's wholly-owned mainland subsidiary is formed.
2015
KNPC & SONATRACH
Partnerships formed; annual revenue exceeds US$100 million.
2016
Welded pipe line
Large-diameter LSAW and SSAW capability added.
2018
Kuala Lumpur office
Overseas operation opens in Kuala Lumpur, Malaysia.
2020
Valve facility
Valve manufacturing facility begins operation.
2022
THAI PNB & PTT
Bangkok office opens to advance Southeast Asian market.
2023
Chen Ming Supply Chain
Production, processing, warehousing and transport fully integrated.
Manufacturing footprint
Four modern production bases
Across mainland China, the group operates four dedicated bases — engineered to API, ASTM/ASME, EN, DIN, JIS and GB standards, and approved by ABS, DNV, BV, LR and CCS.
Seamless pipe
Seamless Steel Pipe Base
Structural, fluid-transport, boiler, petroleum-cracking, marine, tubing and casing pipe in carbon steel, stainless steel and special alloys.
Specifications
- Five hot-rolling lines and one cold-drawing line for high-flexibility custom production.
- Full NDT suite — eddy-current, ultrasonic and magnetic-flux-leakage flaw detection, hydrostatic testing and pipe-end MPI.
- API, ISO 9001 / 14001 / 45001 and CE certified; classification-society approved.
200,000m²
Site area
Ø711mm
Max outer diameter
36m
Max length
1.3Mt
Annual capacity
Welded pipe
Welded Steel Pipe Base
Large-diameter LSAW and SSAW welded pipe with integrated anti-corrosion coating, for pipeline and structural use.
Specifications
- JCOE double-submerged-arc LSAW line and SSAW line; grades Q235, Q345, L175–L555, X42–X80 and S355J2.
- Three coating lines — FBE, 2FBE, 2PE and 3PE — with 6M+ m² annual capacity.
- API, ISO and CE certified; classification-society approved.
60,000m²
Site area
Ø1,829mm
LSAW max diameter
Ø4,500mm
SSAW max diameter
800kt
Annual capacity
Fittings & flanges
Fittings & Flanges Base
Butt-weld fittings, flanges, supports and hangers, insulated piping, pressure vessels and marine fittings.
Specifications
- Medium- and high-frequency induction forming and bending; large gas heat-treatment furnaces.
- Automated sandblasting and painting lines; 200+ welding, machining and surface-treatment sets.
- Full mechanical-testing lab — impact, tensile, hardness, metallographic and hydrostatic.
70,000m²
Site area
6,000t
Press capacity
¥3B+
Annual output
200+
Equipment sets
Valves
Valve Base
Industrial valves, pressure vessels and smart instrumentation for oil & gas, nuclear power and marine applications.
Specifications
- 8,000 t and 5,000 t hydraulic presses; 20+ valve-specific machine tools.
- CNAS-accredited testing laboratory.
- API, ISO and CE certified; classification-society approved.
40,000m²
Site area
8,000t
Press capacity
¥6.5B+
Annual output
300+
Equipment sets
Global reach
Trusted on major energy projects worldwide
Our pipeline products and services have been deployed on major global energy projects, serving international leaders including CNPC, Sinopec, Shell and Total, as well as national oil companies in Kuwait, Azerbaijan, Abu Dhabi, Qatar, Algeria and Saudi Arabia. Whether you are an EPC contractor or a distributor, our products consistently meet your most stringent standards across the Middle East, Europe, Southeast Asia, Africa, South America and Central Asia.
Production & warehousing
Yantai, China
Group headquarters
Hong Kong, China
Overseas office
Bangkok, Thailand
Overseas office
Kuala Lumpur, Malaysia
Deployed with leading operators
- CNPC
- Sinopec
- Shell
- Total
- KNPC
- SONATRACH
- PTT
Certifications & honors
Certified to international standards
LAT:45.0000 / LON:90.0000
STATUS: VERIFIED
STATUS: VERIFIED
IDX-01
Management & product
- ISO 9001
- ISO 14001
- ISO 45001
- CE
- API
IDX-02
Classification societies
- ABS
- DNV
- BV
- LR
- CCS
IDX-03
National honors
- Specialized & Sophisticated “Little Giant”
- National Technology Innovation Enterprise
- National Key High-Tech Enterprise
- National Green Demonstration Factory
- National 3A Quality Credit Enterprise
OFFICIAL MEMBER
Member of the China Iron and Steel Association — holding 800+ national patents across pipe, fittings, flanges and valve technologies.
ACCESS DATA
01
Technology differentiation
Sustained R&D investment in high-end energy pipe and special fittings, backed by continuously upgraded, modern facilities and 800+ national patents.
02
Lean operations
One integrated system from production to logistics — delivering consistent quality, tight tolerances and fast, reliable response.
03
Global deployment
A 20-strong technical team and offices in Hong Kong, Bangkok and Kuala Lumpur provide round-the-clock consultation, custom solutions, quotation, freight coordination and after-sales support.
Contact
Let's plan your next pipeline project
Talk to our engineering and sales team for technical consultation, custom solutions and precise quotations — typically within one business day.
Request a quote
Email
sales@synbasesteel.com
Phone
0086-535-6281117
Address
No. 161 Changjiang Road, FTZ, Yantai, China 264000
