Ningbo Jingjie Sealing Technology Co., Ltd. is located in Ningbo City, Zhejiang Province, China, with convenient transportation access near Beilun Port and Ningbo International Airport. The company specializes in the production and precision machining of carbon graphite sealing components and related mechanical seal products.
Carbon graphite materials are widely used in industrial sealing applications due to their excellent wear resistance, corrosion resistance, self-lubrication properties, high and low temperature resistance, impermeability, and superior mechanical performance. With high bulk density and excellent flexural strength, our carbon graphite components provide reliable sealing performance and long service life under demanding operating conditions.
Our products are widely applied in dry gas seals, high-speed and high-pressure mechanical seals, agitator seals, valve seals, pump seals, and other rotating equipment sealing systems.
With decades of industry experience and strong technical capabilities, the company supports customized production according to customer drawings, samples, and specific operating conditions. We provide not only precision-machined components but also professional technical support and integrated sealing solutions for customers worldwide.
We are also an authorized distributor of German SCHUNK graphite materials in China, supplying high-quality imported graphite materials for industrial sealing applications. Through reliable material sources, advanced processing capabilities, and extensive experience in mechanical sealing applications, we are committed to providing stable quality products and professional support to global customers.
To meet the requirements of global industrial customers, we implement strict quality control procedures and provide relevant quality and compliance documentation, including ISO 9001 quality management system certification, REACH (SVHC) compliance reports, and RoHS testing reports.
Our products comply with international environmental and safety requirements, supporting customers in industries with strict material control and regulatory standards.
To better support global customers, our group operates through an integrated manufacturing and international trade structure.
NingBo YinZhou GeNaiFa Machinery Seal Co., Ltd. serves as the production and technical manufacturing base, responsible for product development, machining, and quality control. Ningbo Jingjie Sealing Technology Co., Ltd. is responsible for international sales, export operations, logistics coordination, and overseas customer support.
Ningbo Jingjie Sealing Technology Co., Ltd. possesses independent import and export qualifications, enabling efficient international trade operations and reliable global delivery services.
Through this integrated structure, we provide professional communication, stable product quality, technical support, and long-term cooperation opportunities for customers worldwide.
