Microwave waveguide components Manufacturer

Chengdu sanlianweixun(SLmicrowave) company was founded in 2006. Our technical leader achieve PhD degree in electromagnetic field in 1990s and engaged in teaching and research and development of microwave and millimeter wave passive devices and components for more than 30 years. Products apply for aerospace, navigation, radar, electronic countermeasures, “Satcom on the move". The structural forms can be waveguide, cavity, coaxial, strip, microstrip. products with features as integration, reliable and high stable structure.

LATEST PRODUCTS

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X Band High Altitude Waveguide Bandpass Filter

High altitude, high power, sealed, without tuning screws

Extend C Band 4 Port Circular Polarization Duplexer

Extend C Band 4 Port Circular Polarization Diplexer

Contains OMT and 2 diplexers and 2 Magic T. Used for a part of antenna feed.

Ku/K/Ka multi band antenna feed system

Including splitter, combiner, OMT, circular polarizer, rotary joints, 180º phase shifter, septum polarizer, filters and connecting waveguides.

ADVANTAGES of Microwave Components

We have been specializing in microwave passive components for over ten years.

R&D

The technical team has full time PhD, postgraduates members who involved industry for more than 10 years.
Production

CNC machines, wire cutting machines support sample and formal product response.
Experience

established for more than 10 years, specializing in satellite communication products and OEM microwave products.

ABOUT
SLmicrowave

Chengdu Sanlianweixun(SLmicrowave) company is a high-tech enterprise specializing in the research and development, production and sales of microwave and millimeter wave passive components.

Relying on the team led by microwave and millimeter wave experts and professors from the University of Electronic Science and Technology of China, the company has independently developed high-precision electromagnetic simulation software with intellectual property rights.

According to the users' special requirements, our company can professionally design high-power passive components and space-borne antenna array passive components for high-altitude aircraft with small size, light weight, excellent performance and stable compact structure.

Specialized in product

Chengdu SLmicrowave can design Filters, Diplexers/Multiplexers, Power Dividers, Directional Couplers, Rotary Joints, Orthogonal Mode Couplers (OMT) and other products to meet the different requirements of high power passive components and passive components for satellite mounted antenna arrays.

RF Filter

Why choose us

1.2 PhD and 4 Masters lead technical team specialized in microwave passive components for more than 10 years.

2.Own manufacture with numerical control machines and wire cutting machines to guarantee sample’s feedback and quantity order.

3.Great quality control and stable performance. No customer complaints for years.

4.Powerful creative ability to satisfy clients’ customized requirements.

NEWS & EVEVTS

Chengdu SLmicrowave Company Confirmed To Participate in Expo Electronica 2026 Moscow

Chengdu SLmicrowave Company Confirmed to Participate in Expo Electronica 2026 Moscow, Invites Global Customers to Visit and Negotiate(February 10, 2026, Chengdu) We have great news to share! Chengdu SLmicrowave Company officially announces that we will attend the 28th Russia International Electronic

10 February 2026

Chengdu SLmicrowave Company: 18 Years in Microwave & Millimeter-Wave Field, Empowering Global High-End Communications And Aerospace Industry

(January 12, 2026, Chengdu) As a leading enterprise in the field of microwave and millimeter-wave passive components, Chengdu SLmicrowave Company has been deeply engaged in the industry for 18 years. Relying on its top-tier technical team and full-chain production capacity, it continuously provides high-performance and reliable passive component solutions for global high-end fields such as aerospace, satellite communications, and radar systems, illuminating the global communication blueprint with the strength of Chinese intelligent manufacturing.

12 January 2026

Chengdu SLmicrowave company: China’s Leading Microwave Passive Components Manufacturer – Precision RF Diplexers, Multiplexers, Power Dividers & More Engineered for Aerospace, Defense & Satellite Commu

As the Operations Director of Chengdu SLmicrowave Technology Co., Ltd., it is my privilege to shed light on our journey as a trailblazer among Microwave Passive Components Manufacturers in China. For nearly a decade, we have stood at the forefront of RF and microwave technology, merging cuttin

01 September 2025

WANT TO KNOW MORE？

If you have any questions or requirements regarding microwave and millimeter wave passive components solutions, please feel free to contact our customer service team. Our professional team will provide you with detailed product information, answer your questions, and tailor the best solution to meet your needs.