About Us
Kaixin Pipeline Technologies Co., Ltd.
Founded in 1999, Kaixin Pipeline Technologies Co., Ltd. is a high-tech enterprise integrating R&D, manufacturing, sales, and service. As a famous China Upvc Plastic pipe valve Manufacturers and UPVC Fittings Suppliers, the company holds multiple prestigious certifications, including National High-Tech Enterprise, “Little Giant” Specialized and Sophisticated SME, National Single Product Champion (Cultivation), Provincial Technology-based SME, Ningbo Specialized and Sophisticated SME, Ningbo Single Product Champion (Cultivation), Ningbo Polymer Pipe & Valve Technology R&D Center, District-Level Green Factory, Ningbo Four-Star Management Innovation Enterprise, and Enterprise Data Management Capability Maturity Level 2.
We specialize in developing, producing, and supplying non-metallic corrosion-resistant products for chemical applications, including plastic valves, pipes, pipe fittings, and corrosion-resistant pumps. Our product portfolio spans materials such as PVC-C, PVC-U, PVDF, PPH, and FRPP, with a comprehensive range of types and specifications. Notably, our butterfly valves can reach DN1000 in diameter, while pipes and fittings extend up to DN800, addressing market gaps and maintaining our competitive edge in the industry.
Guided by the principle of “Technology-Driven, Keeping Pace with the Times,” Kaixin allocates nearly RMB 10 million annually to R&D. We ensure superior product quality through standardized automated manufacturing and strict sourcing of imported raw materials. Aligned with our international development strategy, we continuously monitor global market trends and leverage digital channels to bring high-quality “Made in China” products to customers worldwide.
Ningbo • Fenghua R&D & Production Base
With a total investment of RMB 200 million, Kaixin Ultra-Pure Pipe Technology (Ningbo) Co., Ltd. has established a new materials laboratory in collaboration with universities and research institutes, built a modern manufacturing base, and installed 8 fully automated production lines for modified plastics and 8 for polymer materials. The facility is dedicated to the R&D, production, and application of new modified plastics and polymer materials. Kaixin is also committed to attracting top talent across disciplines, continuously driving product innovation and brand development, with the goal of becoming a globally recognized leader in the R&D and manufacture of polymer valves, pipes, and fittings.
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PVC-U Pipe/Pipe Fittings Series Industry knowledge
Application Versatility of UPVC Plastic Pipe Valve
In industrial environments, UPVC Plastic Pipe Valves serve as a cornerstone for efficient fluid control and system longevity. Our valves are engineered to withstand harsh chemical environments, high-pressure operations, and continuous usage without degradation. Industries including chemical processing, petrochemical plants, pulp and paper production, and pharmaceutical manufacturing benefit from our solutions, as we ensure superior resistance to acids, alkalis, and corrosive compounds that often compromise conventional metal valves. In chemical plants, our UPVC Plastic Pipe Valves are frequently deployed for transporting aggressive liquids such as hydrochloric acid, sulfuric acid, sodium hydroxide solutions, and other reactive chemicals. Our valves provide stable, leak-free performance even under continuous flow and elevated temperature conditions. Unlike traditional metallic valves, our UPVC Plastic Pipe Valves do not corrode or require frequent replacement, ensuring the integrity of piping systems and maintaining operational efficiency. The pulp and paper industry, where bleaching agents and other chemical additives are common, relies heavily on the corrosion resistance of our UPVC Plastic Pipe Valves. We design our valves to accommodate both high flow rates and precise control of liquid delivery, allowing for accurate dosing and consistent quality in the production process. Our valves reduce maintenance downtime and minimize the risk of hazardous chemical exposure to plant personnel, contributing to safer working environments. Pharmaceutical manufacturing requires precise control of fluids in cleanroom environments. Our UPVC Plastic Pipe Valves are engineered for reliability and hygiene, meeting the strict requirements of contamination prevention and consistent flow. Kaixin Pipeline Technologies Co., Ltd. ensures that our valves are compatible with various chemical cleaning agents, facilitating regular sterilization processes without compromising valve performance. This combination of chemical resistance, durability, and precision makes our UPVC Plastic Pipe Valves an ideal choice for highly regulated industrial applications.

Beyond industrial use, UPVC Plastic Pipe Valves demonstrate exceptional versatility in municipal infrastructure, particularly in water treatment and distribution systems. Our valves are frequently integrated into water treatment plants, sewage management systems, and urban water supply pipelines. Kaixin Pipeline Technologies Co., Ltd. designs our valves to handle both potable and non-potable water, ensuring compliance with strict safety and environmental standards. In water treatment plants, our UPVC Plastic Pipe Valves are critical in regulating flow, controlling pressure, and isolating different treatment stages. We provide reliable valves for chemical dosing systems, filtration units, and disinfection processes. Our valves’ resistance to chlorinated water, coagulants, and other water treatment chemicals ensures long-term operational stability, reducing the frequency of replacement and minimizing maintenance costs. Sewage and wastewater management also benefit from our valves’ robustness and resistance to aggressive compounds. Industrial effluents and municipal wastewater contain a mixture of acids, bases, and particulate matter that can erode conventional valves. Our UPVC Plastic Pipe Valves offer excellent corrosion resistance and mechanical integrity, allowing municipal engineers to maintain continuous operation without disruption. Kaixin Pipeline Technologies Co., Ltd. emphasizes that our valves can be precisely calibrated to regulate flow rates, prevent backflow, and ensure safe, efficient fluid management across complex municipal systems.

Agricultural irrigation systems and water management networks are another domain where our UPVC Plastic Pipe Valves demonstrate unmatched versatility. The demand for reliable fluid control in agricultural settings includes irrigation canals, drip irrigation networks, and nutrient delivery systems. Kaixin Pipeline Technologies Co., Ltd. designs our UPVC Plastic Pipe Valves to withstand environmental exposure, varying water pressures, and chemical fertilizers, providing sustainable solutions for modern farming practices. In drip irrigation systems, precision and reliability are paramount. Our valves allow for accurate flow control, ensuring that crops receive the proper amount of water and nutrients. By preventing leakage and ensuring consistent delivery, our UPVC Plastic Pipe Valves reduce water waste and improve agricultural efficiency. Fertilizer compatibility is another critical feature, as our valves are resistant to chemical reactions that could compromise valve performance or contaminate water supplies. Large-scale agricultural projects, such as commercial greenhouses and hydroponic farms, also benefit from our versatile UPVC Plastic Pipe Valves. Kaixin Pipeline Technologies Co., Ltd. provides valves that are easy to install, maintain, and replace, offering long-term durability even in environments where exposure to sunlight, temperature fluctuations, and chemical fertilizers is constant. Our solutions enable farmers and agricultural engineers to optimize irrigation practices, reduce maintenance costs, and achieve higher crop yields.

UPVC Plastic Pipe Valves by Kaixin Pipeline Technologies Co., Ltd. are particularly valued in chemical and process industries due to their broad compatibility with aggressive and reactive fluids. Industries such as oil refining, chemical synthesis, electroplating, and food processing require valves that can tolerate high chemical concentrations, temperature variations, and frequent operational cycles. Our valves meet these rigorous requirements while ensuring operational safety, precision, and longevity. In electroplating facilities, for instance, the exposure to acids, alkalis, and metal ions can rapidly degrade metallic valves. Our UPVC Plastic Pipe Valves provide the necessary chemical resistance while allowing precise flow and pressure control. This ensures consistent plating quality, reduces equipment replacement frequency, and minimizes the risk of environmental contamination. Similarly, in oil refining and petrochemical processing, the transportation of corrosive chemicals requires valves that resist erosion, cracking, and leakage. Kaixin Pipeline Technologies Co., Ltd. engineers our UPVC Plastic Pipe Valves to maintain structural integrity under chemical attack, high-pressure operations, and continuous flow conditions. Our valves are also lightweight, reducing the installation burden and making them suitable for large-scale refinery piping networks.

Although chemical resistance is a primary advantage, UPVC Plastic Pipe Valves are also widely applicable in food and beverage production. Kaixin Pipeline Technologies Co., Ltd. ensures that our valves meet hygiene and safety standards necessary for the handling of potable water, food-grade liquids, and beverages. Our valves can withstand cleaning-in-place (CIP) procedures and exposure to sanitizing agents without compromising flow performance or structural integrity. In dairy processing plants, breweries, and beverage production facilities, accurate flow control and contamination prevention are critical. Our UPVC Plastic Pipe Valves provide reliable isolation and regulation, allowing smooth operations and minimal downtime. The non-metallic composition of our valves reduces the risk of leaching or contamination, ensuring that food and beverage products meet stringent quality standards.

Marine and offshore environments pose unique challenges, including exposure to seawater, high salinity, and fluctuating pressures. UPVC Plastic Pipe Valves manufactured by Kaixin Pipeline Technologies Co., Ltd. are specifically designed to handle these conditions. Our valves are corrosion-resistant against saltwater, lightweight for ease of installation on ships or offshore platforms, and robust enough to withstand dynamic environmental stresses. For offshore oil platforms and marine water treatment systems, our UPVC Plastic Pipe Valves ensure continuous operation in harsh environments. The valves’ resistance to seawater corrosion and chemical exposure allows engineers to maintain fluid management systems efficiently, minimizing maintenance intervals and extending service life. Kaixin Pipeline Technologies Co., Ltd. emphasizes that the valves are also compatible with monitoring and automated control systems, enabling remote operation and integration into modern marine infrastructure.