Langshuo Profile
I. Company Profile
Ⅲ. Company Advantages
Ⅳ. Honors
Henan Langshuo Electric Power Technology Co., Ltd. was established on May 24, 2018, and is located in the High-Tech Development Zone of Zhengzhou, Henan Province. It owns four wholly-owned subsidiaries: Henan Langshuo Measurement & Testing Co., Ltd., Henan Langshuo Electric Power Engineering Co., Ltd., Henan Langshuo Electric Power Fittings Co., Ltd., and Henan Langshuo Fire Safety System Engineering Co., Ltd. The company currently has an office area of 1,870 square meters, a power testing center of 1,400 square meters, a materials testing center of 3,000 square meters, and a calibration laboratory of over 800 square meters. Internally, it has departments for R&D, production, after-sales maintenance, CMA/CNAS standardized laboratories, and engineering services, and it is equipped with multiple testing vehicles and SF6 gas recovery vehicles to fully support its operations.
The company has over 300 employees and brings together a team of experienced professionals. Its main businesses include instrument and meter testing, instrument and meter maintenance, safety tool inspection, oil chromatography standard comparison, large equipment maintenance, instrument and meter sales, hybrid insulation gas transformation, and SF6 gas recovery. By 2026, it plans to add preventive testing of power equipment, maintenance of electrical fire systems, electrical facility repair and decoration, electrical security system maintenance, overhead power line tree clearance services, and the production and sales of safety tools. This makes it a comprehensive electric power service team covering testing, maintenance, equipment production and sales, and specialized power engineering.
The company sticks to scientific management and advanced concepts, improves its management system in accordance with regulations, continuously enhances its testing capabilities, management level, and brand strength, and will expand services and optimize offerings as needed in the future, striving to become a trustworthy and influential service-oriented company in the power industry!
Ⅱ. Development History
Ⅱ. Development History
May 2018: Henan Langshuo Electric Power Technology Co., Ltd. was established, with a focus on providing services for the electric power industry.
March 2019: The company's first SF6 gas recovery and purification unit was successfully developed.
December 2019: For the first time, the company obtained three-system certification (Quality Management System Certificate, Environmental Management System Certificate, Occupational Health and Safety Management System Certificate).
June 2020: Received the 3A-level Enterprise Credit Certificate.
August 2020: Started preparing the SF6 on-site recovery engineering team to expand service markets.
March 2021: Henan Langshuo Measurement and Testing Co., Ltd. was established.
July 2021: Obtained trademark registration certificate.
November 2021: Passed qualification recognition for inspection and testing institutions by the Henan Provincial Market Supervision Administration and successfully obtained CMA qualification.
September 2022: Acquired the Level 4 Permit for Installation (Repair, Testing) of Electric Power Facilities issued by the National Energy Administration.
October 2022: CMA first scope expansion was successful, and in the same month received the labor service qualification certificate issued by the Ministry of Housing and Urban-Rural Development of the PRC.
December 2022: Passed the accreditation from the China National Accreditation Service for Conformity Assessment (CNAS), successfully obtaining CNAS qualification.
February 2023: Received the Safety Production License issued by the Henan Provincial Department of Housing and Urban-Rural Development. In the same month, the company was recognized as a regulated enterprise by the Zhengzhou High-tech Development Zone.
September 2023: CNAS testing laboratory successfully completed its first scope expansion.
October 2023: Obtained Level 2 certificates for General Contracting of Construction Engineering, General Contracting of Electric Power Engineering, General Contracting of Mechanical and Electrical Engineering, Professional Contracting of Electronics and Intelligent Engineering, Professional Contracting of Fire Protection Facilities Engineering, and Professional Contracting of Building Decoration Engineering.
December 2023: Henan Langshuo Electric Power Engineering Co., Ltd. was established.
January 2024: The CNAS testing lab successfully completed its second scope expansion.
April 2024: The Henan Langshuo Testing Center was completed, and a CMA expert team was appointed to review and approve the center's scope expansion, which passed smoothly.
June 2024: The CMA successfully completed its second scope expansion.
September 2024: Became a 'Henan Province Employment Internship Base.'
October 2024: Obtained the Green Power Certification, Green Supply Chain Certification, and Green Factory Evaluation Certification, and in the same month, also got the Energy Management System Certification.
January 2025: The CNAS testing lab successfully completed its third scope expansion.
July 2025: Renewed the Level 3 License for Installation (Repair and Testing) of Power Facilities.
October 2025: The CNAS testing lab successfully completed its fourth scope expansion.
November 2025: Once again recognized as a 'High-Tech Enterprise.'
November 2025: Henan Langshuo Electric Power Fittings Co., Ltd. was established.
April 2026: The CMA successfully completed its third scope expansion.
June 2026: Henan Langshuo Fire Safety System Engineering Co., Ltd. was established.
June 2026: The CNAS testing lab successfully completed its fifth scope expansion.
Ⅲ. Company Advantages
1. Professional Qualification Advantage
The company holds the CMA inspection and testing institution qualification certificate. This not only evaluates and authorizes that the basic conditions and technical capabilities of the inspection and testing institution meet legal requirements but also serves as the basis for the company to carry out inspection and testing work for clients and provide data and results with proof. CMA qualification recognition will also promote further improvement of our company's inspection and testing technology and quality management, enhancing our reputation for quality and ensuring reliable service for our clients.
2. Technical R&D Advantage
With 'Talent and Technology' as the core of development and strong research and production capabilities, the company has always focused on talent and technology-driven growth. We spare no effort in 'selecting, training, using, and retaining' personnel, gradually building a strong team covering fields such as computer science, software engineering, power electronics, applied chemistry, automation control, and mechanical design. Currently, the key members of our team have over 20 years of R&D experience in research and manufacturing.
3. Production Process Advantage
Focusing on quality for efficiency, our company pursues excellence in quality control with a dedicated QC department, strictly managing every step of product quality production. We have also established workshops for key process assembly, semi-finished product testing, assembly, and debugging, with assembly line operations and ERP programmable process control. The enclosures are processed using CNC lathes, and PCBs are made using reflow soldering machines. Excellent craftsmanship improves processing accuracy and reduces failure rates. The company has a complete production department, fully equipped machines, and leading production process capabilities in the industry.
4. Patent Advantage
After years of R&D, the company currently owns nearly a hundred independently developed core technologies. Since its establishment, it has launched a variety of products with independent intellectual property rights, including practical new detection devices for SF6 gas decomposition products and the design of laser spectroscopy micro-water sensors. These products have been widely recognized by customers, improved the related industry supply chain in China, and enhanced the localization of some important products in China.
5. After-Sales Service Advantage
To provide clients with more timely and convenient after-sales service, the company has established a nationwide marketing and after-sales service system, setting up 8 sales and after-sales regions covering more than 30 provinces and cities. This complete after-sales service network has earned the company the title of 'National Advanced Unit in After-Sales Service'. The company promises to respond to after-sales requests within 2 hours, reach the site within 12 hours (24 hours in remote areas) to provide technical support, and can supply emergency orders within 24 hours, ensuring that service never stops if the user is not satisfied with the quality.
Ⅳ. Honors
November 2018: Selected for the 'National High and Low Voltage Electrical Equipment Quality Supplier Database.'
January 2019: Awarded the title of 'Zhengzhou Demonstration Enterprise for the Integration of Informatization and Industrialization.'
November 2019: Awarded the title of 'Model Enterprise for Harmonious Labor Relations in Zhengzhou.' In the same month, also received the 'Zhengzhou Demonstration Enterprise for the Integration of Informatization and Industrialization' title.
June 2020: Received the 'AAA Enterprise Credit Rating Certificate.'
November 2020: Received the 'AAA Contract-Abiding and Trustworthy Enterprise' certificate, 'AAA Quality and Service Integrity Unit' certificate, 'AAA Integrity Management Demonstration Unit' certificate, 'AAA Integrity Supplier' certificate, 'AAA Integrity Unit in the Nondestructive Testing Industry' certificate, and 'AAA Industry Integrity Unit Level Certificate.'
April 2021: Awarded the titles of 'National Advanced After-Sales Service Unit,' 'Excellent Supplier in China's Electric Power Industry,' and 'Outstanding Supplier for Government Procurement.'
June 2021: Received the 'National Technology-Based Small and Medium-Sized Enterprise' certificate.
July 2021: Received the 'Zhengzhou Technology-Based Small and Medium-Sized Enterprise' certificate.
October 2021: Became a member unit of the 'Henan Province Intelligent Sensor Industry Association,' and in the same month, became a member unit of the 'China Instrument and Meter Industry Association.'
November 2021: Awarded the 'Zhengzhou Specialized, Refined, Unique, and New SME' certificate.
December 2022: Received the 'High-Tech Enterprise' certificate issued by the provincial government.
May 2023: The product 'Precision Analytical and Testing Instruments for the Electric Power Industry' received the 'High-Tech Excellent Product' nomination award.
August 2023: Received the 'AAA Enterprise Credit Rating Certificate,' 'AAA Contract-Abiding and Trustworthy Rating Certificate,' 'AAA Enterprise Credit Rating Certificate,' and 'AAA Quality-Abiding and Trustworthy Rating Certificate.'
November 2025: Once again received the 'High-Tech Enterprise' certificate issued by the provincial government.
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