About Us
MacoTango Valve supplier
About MacoTango Valve
MacoTango Valve is a Chengdu-based industrial valve company supporting EPC contractors, plant engineers, distributors and procurement teams.We help buyers review process conditions, valve configuration, materials, actuation, inspection requirements and project documentation before quotation and production.
Company Profile
A B2B Valve Partner Built Around Project Verification
MacoTango integrates R&D, manufacturing, sales and technical service for industrial fluid control equipment. The company background comes from practical valve service and manufacturing experience, which helps our team understand not only product supply, but also installation, commissioning, maintenance and long-term operation.
For international buyers, our role is to make the purchasing process easier to check: working conditions, valve type, material, actuator configuration, testing requirement, certificate request, drawing review, packing and export communication.
Our Development
From Valve Service Experience to Project Supply Capability
MacoTango’s development is built on practical valve service experience, manufacturing work and project communication. This background helps us understand how valves are selected, checked, tested and supported in real industrial applications.
Our growth has always focused on one clear goal: helping B2B buyers verify the right valve solution before production, delivery and long-term operation.
1985
Valve Service Roots
The background started from valve maintenance and service experience, building practical knowledge of sealing, operation and site problems.
2005
Formal Company Development
The company entered a more formal development stage, with stronger manufacturing organisation, inspection workflow and project supply capability.
2020
Application Expansion
Application coverage expanded across oil and gas, chemical processing, power, water treatment and other industrial fluid control fields.
Today
B2B Project Support
Today, MacoTango supports international buyers with RFQ review, valve selection, documentation, testing communication and export coordination.
Manufacturing & Quality Control
How We Build Trust Before Shipment
Before a valve is delivered, we focus on the points buyers care about most: correct selection, verified materials, controlled manufacturing, pressure testing, inspection records and export-ready packing.
- Working Conditions Review
- Material & Casting Check
- Precision Machining Control
- Assembly & Function Check
- Pressure Test & Inspection
- Documents & Export Packing
Want to verify us before placing an order? Send your valve datasheet or working conditions. We can review selection, material, testing, documents and packing requirements before quotation.
Send Working ConditionsQuality System
Quality Control, Certificates and Project Documentation
MacoTango's company materials reference ISO 9001, ISO 14001, ISO 45001, EAC, TUV SIL3, TS special equipment manufacturing licensing and ISO 15848 low-emission related certification. These trust signals are important for buyers who need technical evidence before approval.
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✓Type testing references include PN320 for control valves and Class 2500 for on-off valves in company materials.
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✓Quality checks cover casting, trim parts, assembly details, pressure testing, leakage testing and inspection records.
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✓Project documents can support buyer review for API, ASME, ISO, GB and application-specific requirements.
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✓Special service options may include corrosion and erosion resistant materials, coating and hard-facing review.
TUV SIL3 documentation
ISO 15848 low-emission documentation
EAC certificate documentation
API 607 related documentationField Application Case
High-Pressure Control Valves for Severe Industrial Service
Real field application photos help buyers evaluate more than product appearance. This case section shows pneumatic control valves and actuated valves used in demanding industrial pipeline service, including actuator configuration, positioner setup, installation details and field operating environment.
Field Application Reference for Actuated Valve Service
Real installation photos help buyers understand valve appearance, actuator arrangement and site service conditions before supplier approval.
Positioner & Control Setup
Positioner and pneumatic accessories support stable control response.
DN25 CL2500 Field Installation
High-pressure valve installation with visible CL2500 identification.
CL2500 Pneumatic Control Valve
High-pressure pneumatic control valve installed in field pipeline service.
Pneumatic Actuated Valve Service
Actuated valve used in industrial pipeline service requiring reliable operation.
Work With MacoTango
Need a Verifiable Valve Supplier for Your Project?
Send your working conditions, valve list, material request, pressure class, actuator requirement, test standard or documentation request. MacoTango can help review the inquiry and prepare clearer next-step communication.
Project References
Our Partnership
Logos are used as project reference signals for B2B trust and industry experience.
Client Feedback
Hear From Control Valve Buyers
B2B valve projects depend on clear communication, stable quality inspection and documents that support purchasing decisions. These project-style comments show what buyers value when working with MacoTango Valve.
The valves arrived with clear packing, markings and documents. Communication during the RFQ stage helped us confirm the valve type, pressure class and delivery details before sending the goods to our customer.
Tran Minh
Procurement Manager
MacoTango supported our project with quick technical replies, product photos and documentation checks. The valves met our expectations for appearance, communication and order follow-up.
Nataly
Procurement Manager
For control valve orders, we need a supplier who can review requirements and respond with practical information. The team helped us prepare a clearer inquiry package for our end user.
A. Saeed
Distributor Partner
Selected Control Valve Project References
Selected references covering petrochemical, coal chemical, power, fertilizer, LNG and process industries, including control, high-pressure, severe-service and self-operated valve applications.
| Project | Valve Scope | QTY | Client / EPC |
|---|---|---|---|
| 2.0 Mt/a Residue Hydrotreating & 40,000 Nm³/h Feed Gas PSA Unit | Pneumatic Sequence Control Valves | 83 | SINOPEC Jingmen Branch |
| Longmei Tiantai Coal-to-Aromatics Project | Globe Control Valves | 162 | Sedin Engineering |
| PetroChina Sichuan Refining & Petrochemical Integrated Project | Main Bypass Control Valves, Small Bypass Control Valves, Desuperheating Water Control Valves | 12 | China Chengda Engineering |
| Ammonia & Urea High-Pressure Units | Multi-Stage High-Pressure Control Valves, High-Pressure Shut-Off Valves, High-Pressure Angle Control Valves | 232 | Anhui Haoyuan Chemical Group |
| 60 MW Power Unit & Flue Gas Desulfurization / Denitrification | Drain Control Valves, Recirculation Line Control Valves, Deaerator Control Valves | 219 | Shenhuo Group Thermal Power Plant |
| 30,000 t/a Chloroacetic Acid & Chlor-Alkali Project | Fluorine-Lined Single-Seat Control Valves, Ball Valves | 689 | Henan Lianchuang Chemical |
| Bamboo Pulp Production Project | Control Valves, Ball Valves, Butterfly Valves | 367 | Jilin Chemical Fiber Group |
| DMF Recovery Unit | Control Valves | 95 | Yancheng JK Sucralose |
| Synthesis Unit Revamp Project | Straight-Through Single-Seat Control Valves | 138 | Jiangxi Xinghuo Organic Silicone Plant |
| 25,000 Nm³/h Natural Gas Liquefaction Project | Anti-Cavitation High-Pressure Control Valves | 20 | Shandong Yucheng Huayi Natural Gas |
| 60,000 t/a Cyclohexanone & 70,000 t/a Adipic Acid Project | Control Valves, On-Off Valves, Self-Operated Control Valves | 171 | Yangmei Fengxi Fertilizer Group |
| 2 Billion m³/a Coal-to-Synthetic Natural Gas Project | Control Valves | 126 | Sedin Engineering |
| Guizhou Kailin & Hubei Xindu Projects | High-Pressure Control Valves, Cv3000 Series Control Valves | 69 | SUPCON Technology |
| 50,000 Nm³/h Coke Oven Gas Comprehensive Utilization Project | Control Valves, Shut-Off Valves | 80 | Yumenkou New Energy |
| Coke Oven Gas to Methanol & Ammonia Co-Production Project | Control Valves | 68 | Inner Mongolia Dongri New Energy |
| 1.8 Mt/a Coking Project | Pneumatic Control Valves, Shut-Off Valves, Control Ball Valves | 70 | Henan Jinma Zhongdong Energy |
| Coke Oven Gas to Natural Gas & Hydrogen Co-Production Project | Control Valves, Shut-Off Valves | 62 | Jining Zhongtai Coal Chemical |
| 3,000 t/a Polysilicon Project | Bellows-Sealed Single-Seat Control Valves, Single-Seat Control Valves, Self-Operated Control Valves | 115 | Sichuan Aoguang Silicon Industry |
| 200,000 t/a Isobutane Dehydrogenation / MTBE & PSA Hydrogen Unit | Pneumatic Sequence Control Valves | 83 | Heilongjiang Anruijia Petrochemical |
| 2 × 300 MW Power Generation Project | Drain Valves, Control Valves | 36 | Xinjiang Hefeng Luneng Coal Power |
* Selected project references. Additional project records and supporting documentation are available upon request.
Contact Us
Get Expert Valve Support
Tell us your working conditions, valve type, pressure rating, material requirements or project standards. Our team will help you find a reliable industrial valve solution.