In 2025, Shanghai SINAP Membrane Separation Technology Co., Ltd. completed strategic restructuring. Taking property right optimization and governance upgrading as an opportunity, the company anchors the core goals of "technology leadership, product diversification, lean management and value-added services", and makes precise efforts in eight dimensions: technological improvement, product development, quality management, after-sales service, supply chain management, cost control, market development and marketing model innovation. It drives the enterprise to develop by leaps and bounds from a traditional membrane material manufacturer to a comprehensive membrane technology solution provider, continuously consolidates its leading position as a domestic flat membrane manufacturer, and injects new impetus into the high-quality development of the water treatment industry.

I. Deepen Technological Improvement to Consolidate the Core Barrier of Innovation

After restructuring, SINAP places technological innovation at the core of its strategy. Relying on more than 40 years of membrane technology accumulation, the company increases R&D investment, optimizes the industry-university-research collaboration system, and focuses on industry pain points to achieve key technological breakthroughs:

•            Material formula iteration: Upgraded the PES (polyethersulfone) flat membrane formula and optimized the native hydrophilic modification technology, increasing membrane surface hydrophilicity by 40% and significantly enhancing anti-fouling and anti-aging properties. The acid and alkali resistance range is expanded to pH 2-12, adapting to high-difficulty complex water quality such as PFAS-containing, high-salinity and strong oxidizing water.

•            Membrane manufacturing process upgrade: Introduced a high-precision automated membrane production line and optimized the asymmetric gradient pore structure, precisely controlling the membrane pore size at 0.1μm to achieve the dual effects of "dense interception + high-flux diversion". The rejection efficiency of long-chain PFAS (PFOA, PFOS) is increased to over 85%.

Core technological breakthroughs: Since 2025, the company has been granted 3 authorized invention patents and 5 utility model patents (including composite aeration devices, membrane stack support structures, etc.), overcoming technical bottlenecks such as extreme water quality adaptation and high anti-fouling membrane material preparation, and was awarded the "2024 Baoshan High-tech Zone Science and Innovation Leadership Award".

II. Accelerate Product Development to Build a Full-category Matrix

Guided by market demand, SINAP breaks the limitation of single products, focuses on breaking through four core products, and builds a comprehensive product system covering "membrane elements + membrane modules + complete sets of equipment + customized solutions":

•            New-generation PES flat membrane: Independently developed high anti-fouling PES flat membrane with enhanced hydrophilic coating technology, increasing flux by 25% and extending the cleaning cycle to more than 3 months. Launched three series: standard type, low-temperature adaptation type and PFAS special removal type, suitable for municipal, chemical, food processing and other scenarios, and can completely replace imported similar products.

•            Sewage treatment engineering design service: On the basis of the original membrane product and application design service team, new teams for overall sewage treatment process engineering design, equipment design, after-sales service and operation and maintenance technical service were added, providing customers with all-round services from engineering design to operation and maintenance, enhancing customer experience value and SINAP brand value. Since 2025, the company's sewage treatment engineering design service has been successfully applied and provided engineering services in harsh environments such as offshore operating platforms, the frigid Antarctic and the high-altitude Qinghai-Tibet Plateau.

•            Integrated MBR membrane equipment: Integrated self-developed flat membrane modules, intelligent aeration system and automatic control module, launched mini-type (1-20 tons/day), small-type (adaptable to 2-2.5m shallow tanks) and large-scale series. It has the advantages of small footprint, short engineering installation cycle, high automation degree and stable effluent reaching Grade A standard, and is widely used in decentralized treatment projects of township sewage and industrial parks.

•            Deep filtration membrane stack: Innovative modular superposition design with high-strength support structure, increasing filling density by 30% and reducing filtration resistance by 20%. Suitable for advanced sewage treatment, reclaimed water reuse, concentrated water concentration and other scenarios, it can efficiently intercept SS, COD and heavy metals, helping customers achieve resource utilization goals.

•            Nanofiltration hollow fiber membrane: Broke through the bottleneck of hollow fiber membrane spinning technology, developed high-selectivity nanofiltration membrane with precise pore size control at 1-2nm, which can effectively intercept divalent salts, organic matters and micro-pollutants. It is suitable for drinking water purification, advanced industrial wastewater treatment, material separation and other fields, filling the company's gap in hollow fiber membrane category.

III. Strengthen Total Quality Management to Build a Lifeline of Quality

After restructuring, SINAP established a total quality management system featuring "whole-process, all-factor and full-staff participation", passed the ISO9001 quality management system certification, and guards product quality with strict standards:

•            Whole-process quality control closed loop: Constructed four quality inspection levels: "raw material incoming inspection → real-time random inspection in production → finished product full-performance testing → factory compliance verification". High-precision pore size analyzers and flux testers were introduced to conduct 100% testing on core indicators such as membrane pore size, flux and corrosion resistance.

•            Full coverage of quality traceability: Built a digital traceability system to realize full-link traceability of each membrane from raw material batch, production time, operator to factory destination, accurately locating problems and carrying out rapid rectification and optimization.

•            Full-staff quality responsibility system: Implemented a "quality first" culture, carried out post skill training and quality assessment, linked quality indicators with performance, strengthened all staff's quality responsibility awareness, and maintained a product pass rate of over 99.8%.

IV. Upgrade After-sales Service Quality to Build a Full-cycle Service System

Adhering to the concept of "customer-centricity", SINAP comprehensively upgraded after-sales service and built a one-stop full life cycle service system of "pre-sales → in-sales → after-sales":

•            Pre-sales professional empowerment: Established a technical team to provide free consulting services such as water quality analysis, process design and solution customization, and provide accurate membrane product selection and system configuration schemes combined with project working conditions.

•            In-sales full escort: Dispatched professional engineers to guide installation and commissioning on site, carry out technical training for operators, ensuring the stable commissioning of the system at one time and shortening the project implementation cycle.

•            After-sales rapid response: Launched a national 24-hour service hotline and established an emergency mechanism of "1-hour response, 4-hour on-site arrival and 24-hour solution". Regular on-site inspections, remote operation and maintenance diagnosis, and exclusive services such as membrane cleaning, maintenance and accessory replacement are provided to ensure the long-term efficient operation of the system.

V. Promote Comprehensive Supply Chain Management to Ensure Stable and Efficient Operation

After restructuring, SINAP integrated supply chain resources and built a full-chain collaborative management system of "procurement → production → warehousing → logistics" to break supply bottlenecks and improve delivery efficiency:

•            Strategic supplier management: Selected high-quality raw material suppliers at home and abroad, established long-term strategic cooperative relations and signed supply guarantee agreements to ensure stable raw material quality and sufficient supply from the source, avoiding the risk of supply disruption.

•            Refined production scheduling: Introduced a digital production management system to intelligently schedule production according to order priority, raw material inventory and capacity load, optimize production tempo, improve equipment utilization rate and shorten production cycle by 30%.

•            Integrated warehousing and logistics: Built an intelligent warehousing management system to realize refined partition control of raw materials, semi-finished products and finished products, improving inventory turnover efficiency. Integrated high-quality logistics resources to build a national distribution network, with 48-hour delivery in core areas to ensure timely delivery of large-scale projects and urgent orders.

VI. Implement Refined Cost Control to Achieve Win-win Cost Reduction and Efficiency Improvement

On the premise of ensuring quality, SINAP implemented full-dimensional cost control, optimized cost structure, improved cost performance, and achieved mutual benefit and win-win results for enterprises and customers:

•            Procurement cost optimization: Reduced raw material procurement costs through large-scale procurement, centralized bidding, long-term agreement prices and other methods. Replaced some imported auxiliary materials and promoted the localization of core raw materials, reducing procurement costs by 25%.

•            Production cost reduction: Optimized production processes and upgraded automated equipment to reduce production energy consumption and labor costs. Improved yield and reduced waste loss, lowering production and manufacturing costs by 18%.

•            Operation and maintenance cost reduction: The anti-fouling performance of products is improved, the membrane cleaning cycle is extended to more than 3 months, and the consumption of cleaning agents is reduced by 40%. The independent replacement design of a single membrane sheet eliminates the need for overall disassembly, reducing maintenance and operation costs by 35%.

VII. Develop Markets in Multiple Dimensions to Expand the Global Brand Territory

Relying on the all-round upgrading of products, technology and services, SINAP deeply cultivates the domestic market and deploys globally to achieve dual improvement in market share and brand influence:

•            Domestic market sinking and penetration: Fully implemented the agency system. In 2025, the first batch of 5 regional core agents were signed, covering key areas such as Guangdong, Jiangsu, Zhejiang and North China, and a three-level sales network of "headquarters → regional agents → end customers" was built to deeply cultivate markets such as municipal sewage, industrial parks and decentralized township treatment.

•            In-depth expansion of international markets: Continuously deepened the markets in many countries and regions around the world, focusing on breaking through Europe, America, Southeast Asia, the Middle East and other regions, further increasing the proportion of product exports. Participated in international water treatment exhibitions and industry exchange activities, and entered the high-end markets in Europe and America with the advantages of PFAS removal technology, serving local municipal and industrial projects.

•            Precise efforts in segmented markets: Focused on high-difficulty wastewater treatment fields such as semiconductors, chemicals, food processing and coal chemical industry, launched customized solutions and became an industry benchmark. Expanded the reclaimed water reuse and resource utilization market to help customers save water, reduce emissions, lower costs and improve efficiency.

VIII. Innovate Marketing Model to Build a Diversified Marketing System

After restructuring, SINAP completely innovated the traditional "passive order receiving" marketing model and turned to a modern marketing system of "active layout, precise reach and value empowerment":

•            Online-offline integrated marketing: Offline, participated in industry exhibitions, held technical seminars and carried out on-site customer visits to strengthen face-to-face communication. Online, built an official website, short video platform and industry media matrix, released product cases, technical knowledge and solutions to accurately attract customers.

•            Value marketing replacing price competition: Shifted from "selling products" to "selling technology, solutions and services", highlighting the core value of products in PFAS removal, energy saving and consumption reduction, long-term stable operation, creating long-term benefits for customers and getting rid of the quagmire of low-price competition.

•            Win-win marketing with partners: Established strategic cooperation with engineering companies, environmental protection design institutes and industry associations, jointly promoted solutions, shared customer resources and collaboratively developed markets, building a mutually beneficial and win-win industrial ecosystem.

IX. Summary and Outlook

The restructuring in 2025 is a milestone and a brand-new starting point for SINAP's development. Through systematic upgrading in eight dimensions of technology, product, quality, service, supply chain, cost, market and marketing, SINAP has completed a magnificent transformation, and its core competitiveness and brand influence have leapt to a new level.

In the future, SINAP will adhere to the core values of "innovation leadership, quality-oriented and customer first", keep up with environmental protection policies and industry development trends, continuously deepen membrane separation technology, constantly optimize products and solutions, focus on the core fields of sewage treatment, PFAS emerging pollutant treatment and water resource recycling, and strive to become a global leading membrane technology solution provider, contributing SINAP's strength to the high-quality development of the water treatment industry in China and even the world.