Based on 5 reviews
TIANJIN RUIJIAN OCTG|API 5CT Oil Casing & Tubing Manufacturer is a Chinese original manufacturer of API 5CT oil casing, tubing, and related OCTG accessories for oil and gas well drilling and completion. The company produces products in steel grades including J55, K55, N80, L80, P110, and Q125, with thread types such as STC, LTC, and BTC. It also manufactures couplings for casing and tubing connections.
The company markets itself as an original manufacturer offering direct factory pricing and customized service. Their products are compliant with API-5CT and other standards such as GB, ISO11960, and GOST. They focus on OCTG oil-field tubular goods and look forward to establishing long-term cooperation with global partners.
API 5CT Tubing falls into three types: Non‑upset End (NUE), External‑upset End (EUE), and Integral‑joint Tubing (IJ). The company produces these in various sizes with outer diameters ranging from 48.3mm to 508mm (2.375" to 20"). They also supply pup joints and matchable accessories alongside their main casing and tubing lines.
The company has 4 automated production lines for petroleum specialized pipes and 1 intelligent production line for external thickening and coupling production. They can process and supply oil pipes, casings, couplings, and pup joints with annual output of 150,000 tons OCTG and 100,000m sand screens.
Their workshop is equipped with modern threading, heat-treatment, and NDT non-destructive testing facilities. Every pipe goes through multi-point inspection to guarantee stable quality before delivery. They own strong technical strength and full-range NDT & physical-chemical testing instruments.
The company has been exporting their oil casing & tubing products to more than 40 countries and regions. About 25% of business comes from repeat-order clients, and 30% of new orders are referrals. They have a professional team focused on oil-gas and geothermal drilling projects for years.
The company is located in Tianjin, China, and operates as Ruijian Petroleum Equipment (Tianjin) Co., Ltd. They have a modern standardized workshop fully equipped for mass production of API 5CT OCTG casing, tubing, and related pipe products.
The company states they have rich experience in oil tubular goods and professional engineers supervise every production procedure to optimize product performance for various well conditions. They provide customized specifications, complete supporting solutions, and efficient after-sales service for global clients.
The company's workshop is equipped with modern threading, heat-treatment, and NDT non-destructive testing facilities. All products are processed in-house to meet high-grade oil-field requirements. They strictly implement standardized quality management for consistent product quality.
The company adopts premium steel base material from well-known steel mills. Strict raw material inspection guarantees stable performance and durability of their oilfield tubular goods. They strictly comply with API-5CT standards to guarantee stable and reliable quality for every batch of OCTG products.
The company's website highlights direct factory pricing and customized services for global clients. They are a professional manufacturer of API 5CT OCTG casing, tubing, coupling, pup joint and matchable accessories. They provide one-stop supply services covering raw material control, manufacturing, and quality inspection.
The official website of TIANJIN RUIJIAN OCTG|API 5CT Oil Casing & Tubing Manufacturer is tianjinrjgroup.com.
On Trustburn, TIANJIN RUIJIAN OCTG|API 5CT Oil Casing & Tubing Manufacturer has a rating of 4.4 out of 5 based on 5 reviews.
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Tianjin Ruijian offers standard API 5CT products, but the website lacks detailed technical datasheets for quick comparison. While they list steel grades and thread types, specific pressure ratings or torque values for each variant are not immediately visible. This requires additional communication with their sales team to obtain precise engineering data for accurate vendor evaluation.
While the company boasts exports to more than forty countries, it is prudent to verify specific export documentation for your region. The mention of complete inspection reports supports their claim of standardized quality management. However, one should confirm if the listed certifications meet local regulatory requirements. The availability of various thread types and coupling options suggests flexibility, but lead times for custom specifications may vary. It is advisable to request sample data sheets before committing to large orders, ensuring the material specifications align precisely with your project's needs and geological conditions.
Reading through their website, it is clear that Tianjin Ruijian specializes heavily in OCTG pipes and related components. They offer a wide range of products including API 5CT tubing and casing, which are essential for on-shore and off-shore drilling operations. The variety of steel grades available, from H40 to Q125, indicates they can cater to diverse well conditions. It is reassuring to see that they have advanced equipment for threading, heat-treatment, and non-destructive testing, all performed in-house. This suggests a controlled quality process. Their technical team has experience in oil tubular goods, which likely translates to better problem-solving capabilities. The fact that they export to over forty countries implies a certain level of international compliance and trust. For anyone looking for a single source for drilling tubulars, their comprehensive catalog seems quite appealing.
The direct factory price model combined with customized service options makes this manufacturer highly convenient for global sourcing requirements.
From the information available, Tianjin Ruijian appears to be a direct manufacturer offering customized services for API 5CT products. Their emphasis on large-scale production and in-house processing suggests they can deliver cost-effective solutions. The use of premium steel base materials from well-known mills adds to their reliability for oil-field projects.
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Tianjin Ruijian OCTG is a Chinese manufacturer of API 5CT oil casing, tubing, and related OCTG accessories used in oil and gas well drilling and completion. The company produces products in various steel grades including J55, K55, N80, L80, P110, and Q125, with thread types such as STC, LTC, and BTC. It also manufactures couplings for casing and tubing connections. The company markets itself as an original manufacturer offering direct factory pricing, customized service, and products compliant with API-5CT and other standards such as GB, ISO11960, and GOST.