Sampling system
and
Storage tank safety Solutions

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Products

Best products

Why choose us

IMS Certificated Company

Founded in 2004, with ISO 9001:2015 & ISO 14001:2015 & ISO 45001:2018,ASME vessel U-stamp, ATEX, ISO 16852, ISO 15848,API2000, TPED, DOT,EAC, EN12266 certificates.Wan'an Company has grown to become a leading global manufacturer, supplying petrochemical companies worldwide with high-quality products.Company

Trusted Manufacturer

The company's main products include process analysis and sampling devices such as samplers, sampling cylinders, pipeline self-resetting valves, as well as storage tank safety equipment including flame arresters, breather valves, and floating oil skimmers. With its strong technical expertise and strict quality management, Wan'an has gained widespread trust from international clients.

Professional and Focused

We has been dedicated to process analysis sampling and tank safety equipment for over 20 years. By continuously improving our services and focusing on customer needs, we strive to deliver innovative solutions. With more than 100 patents, we remain committed to excellence and innovation in the industry.

Qualified Gold Supplier

Company is an approved and qualified supplier registered with major oil and gas enterprises such as Sinopec, PetroChina, and LukOil, among many other industry-leading companies.

Petrochemical Sampling Systems & Tank Safety Equipment Manufacturer

Wanan Technology has been a trusted manufacturer of sampling systems, flame arrestors, pressure vacuum relief valves, and storage tank safety equipment for the global petrochemical industry since 2004. Headquartered in Honghu, Hubei, China, our ASME U-stamp certified facility serves oil and gas operators, chemical plants, and engineering contractors across more than 30 countries — including major projects with Sinopec, CNPC, ExxonMobil, Lukoil, BASF, and Gazprom.

Our product portfolio covers seven core categories, each engineered to meet international standards including API 2000, API 520/521, ISO 16852, ATEX Directive 2014/34/EU, and ASME Section VIII:

Our Product Categories

Sampling Systems

Closed-loop samplers, self-resetting samplers, and sampling coolers for vapor-tight process fluid extraction in refineries and chemical plants. ASME certified, zero-emission design.

Flame Arrestors

End-of-line deflagration arrestors and in-line detonation arrestors for tank venting and pipeline protection. ISO 16852, ATEX, and EAC certified.

Pressure Vacuum Relief Valves

PVRV valves for atmospheric storage tank protection. API 2000 compliant, low-leakage design with optional flame arrestor integration.

Emergency Relief Valves

Emergency pressure relief valves for overpressure protection. API 520/521 designed, ASME Section VIII certified for critical safety applications.

Sample Cylinders

Stainless steel sampling cylinders in SS 304/316L. ASME and DOT certified, TPED certified for EU market. Custom sizes available.

Sampling Fittings

Sampling needles, probe fittings, and connection accessories for process sampling systems. Compatible with all major sampler brands.

Floating Suction Units

Floating suction units for storage tanks to extract clean product from the surface level, minimizing water and sediment ingress.

Certified Quality & Global Compliance

Every Wanan product is manufactured under our ISO 9001 Quality Management System and backed by international certifications that meet the requirements of diverse regional markets:

  • ASME U-Stamp Certification
  • ISO 9001:2015
  • ATEX Directive 2014/34/EU
  • EAC Customs Union
  • DOT Cylinder Certification
  • TPED (EU Transportable Pressure)
  • API 2000 Compliant
  • ISO 16852 Tested

Trusted by Global Industry Leaders

Our equipment is deployed in some of the world's most demanding petrochemical environments — from Sinopec refineries in China to Lukoil facilities in Russia, from BASF chemical complexes in Europe to ExxonMobil operations in the Middle East. With over 20 years of manufacturing experience and 200+ dedicated employees including a specialized engineering team, we deliver cost-effective, custom-engineered solutions with rapid delivery timelines.

Technical Resources & Expertise

Beyond manufacturing, Wanan Technology is committed to advancing industry knowledge. Our engineering team regularly publishes technical guides and resources to help plant operators, design engineers, and procurement teams make informed decisions about sampling and safety equipment:

Contact Wanan Technology

Ready to discuss your sampling system or tank safety equipment requirements? Our engineering team is available in English, Chinese, Russian, Arabic, and Spanish. Contact us today for product specifications, custom engineering solutions, or competitive pricing.

Wanan Technology
No. 58 Wenquan East Road, Honghu EDZ, Honghu, Hubei 433200, China
Tel: +86-27-8194-8788 | Email: sales@hbwanan.com
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