The Lead Acid Battery Plastic Case serves as the core protective component of a battery, responsible for housing the electrolyte, plate assembly, and separators, while isolating the internal components from external environments to ensure safe operation. It is widely applicable across diverse sectors, including transportation, telecommunications, and energy storage. With the steady development of the global lead-acid battery industry, there is a growing demand for upgraded case materials, enhanced safety performance, and customized compatibility. Adhering to the principle of "safety and compatibility first," we focus on material certification and structural details, aiming to better align with downstream industry requirements and provide solid support for the high-quality development of the lead-acid battery sector.
Taizhou Sanding Molding Co., Ltd., established in November 2007, with Wang Tongliang as its legal representative and a registered capital of 2.28 million yuan, is located at No. 1188 Qihang Road, Sanjia Street, Taizhou Bay New Area, Taizhou City, Zhejiang Province, covering an area of 28,000 square meters. It is a private manufacturing enterprise with nearly 20 years of experience in the molding industry. The company currently has over 100 employees, including 5 professional technicians, 18 administrative personnel, and over 70 production staff. In 2023, it completed customs import and export registration, possessing independent import and export qualifications. Its current operations are stable, with standardized social security coverage and compliant operations.
Regarding core qualifications and technical strength, the company has been recognized as a National High-tech Enterprise, a Science and Technology-based SME, and an Innovative SME. As one of the drafting units of the national standard for battery plastic casings, it passed ISO9001 quality management system certification in 2008, holds 7 qualification certificates and 5 administrative licenses, and has established a standardized production and quality control system. The company possesses an independent mold design and development team and a complete set of mold processing equipment, accumulating deep expertise in the field of battery shell molds. With the technical support of the Taizhou Plastics Research Institute (a Taizhou partner of the Institute of Materials Technology and Engineering, Chinese Academy of Sciences), it has successfully overcome application challenges related to high-temperature resistant ABS and high-temperature flame-retardant ABS materials. As of December 2025, the company held a total of 43 patents, demonstrating outstanding technology transfer capabilities. In terms of testing and production capacity, the company is equipped with a full set of testing facilities, capable of independently completing tests for core indicators such as impact strength, tensile strength, and flame retardancy. It owns over 60 injection molding machines ranging from 200 grams to 20,000 grams, capable of handling injection molded products weighing up to 15 kilograms per piece, with ample production capacity to flexibly adapt to diverse production needs.
The company focuses on mold manufacturing and plastic product R&D and production as its dual cores, covering the entire chain from design and R&D to production and sales. It also possesses supporting capabilities in new material technology R&D and industrial design. In 2023, the company expanded its business scope, adding technology import and export and goods import and export businesses, actively developing both domestic and international trade. The company's core products are primarily battery casings, focusing on energy storage, communication battery casings and other plastic productS, such as industrial battery housing for energy storage . It is a leading lead acid battery plastic case factory and wholesaler in the downstream battery industry, having supplied Huawei with high-temperature resistant and flame-retardant ABS battery casings in bulk, earning high praise from this leading client. In terms of diversified expansion, the company entered the bathroom plastic products sector in 2016, achieving mass production and serving well-known local bathroom companies in Taizhou. Simultaneously, it has expanded into furniture plastic products, daily necessities plastic parts, and pet supplies, offering a diverse product range tailored to market demands. In 2020, the company successfully won the bid for the smart toilet seat and back cover mold project from Qingdao Weixi Intelligent Technology, demonstrating its technological strength in the bathroom sector. Furthermore, the company also manufactures automotive and motorcycle parts, and plastic parts for motors and water pumps, leveraging its core molding capabilities to extend into other product categories and enhance its business resilience.
In terms of business model and development layout, the company operates primarily under the ODM/OEM model, providing customers with full-process customized services from product design to mass production and delivery. It also undertakes OEM production orders, balancing profit and capacity utilization. Simultaneously, it is steadily exploring the OBM model, developing its own brands to meet the demands of foreign trade transformation. Domestically, the company has cultivated deep roots in downstream industries such as batteries, sanitary ware, and daily necessities, accumulating stable customer resources. Internationally, it completed its registration and commenced its strategic layout in 2023, focusing on advantageous categories such as energy storage battery casings and targeting overseas new energy and daily necessities markets, possessing a solid foundation for foreign trade expansion. Leveraging the advantages of the Taizhou molding industry cluster, the company uses "precision molds + high-quality plastic products" as its core competitiveness, continuously deepening its presence in the new energy battery casing market while expanding into potential categories such as sanitary ware, daily necessities, and pet supplies. It is steadily promoting integrated domestic and international trade development, striving to become a high-quality molding supplier in its niche markets.
A lead acid battery plastic case is a molded plastic housing used to protect and support lead acid batteries. It is commonly used in UPS batteries, industrial batteries, backup power systems, and energy storage applications.
The case needs to meet practical requirements in several areas:
For many customers, the plastic case is not a simple standard part. Different battery models may require different sizes, wall thicknesses, rib structures, terminal positions, cover designs, handles, vents, or surface textures. This is where an experienced Lead Acid Battery Plastic Case Manufacturer can add real value.
Material selection is one of the most important steps in lead acid battery plastic case production. The right plastic material affects structural strength, heat resistance, flame-retardant performance, appearance, assembly accuracy, and long-term product stability.
Taizhou Sanding Molding Co., Ltd. has accumulated rich technical experience in battery plastic casing molds and related material applications. With technical support from the Taizhou Plastics Research Institute, a Taizhou cooperative institution of the Institute of Materials Technology and Engineering, Chinese Academy of Sciences, the company has overcome application challenges involving high-temperature resistant ABS and high-temperature flame-retardant ABS materials.
Depending on the product structure and application environment, customers can discuss material requirements based on mechanical strength, flame-retardant performance, heat resistance, impact resistance, surface finish, color stability, cost control, and injection molding efficiency.
Battery products differ by voltage, capacity, installation environment, brand requirements, and market standards. Taizhou Sanding Molding Co., Ltd. supports flexible OEM and ODM customization for different battery plastic case projects.
Available customization services include:
For customers without finalized drawings, Sanding can support product development from concept discussion, structural design, mold development, sample making, and production delivery. For customers with existing drawings or samples, the company can provide precise manufacturing while controlling quality, consistency, and delivery schedules.
What is a lead acid battery plastic case?
A lead acid battery plastic case is a molded plastic housing used to protect and support lead acid batteries. It is commonly used in UPS batteries, industrial batteries, backup power systems, and energy storage applications.
What products does Sanding mainly produce?
Sanding mainly produces lead acid battery plastic cases, UPS battery housings, industrial battery cases, injection molds, industrial plastic products, and custom injection molded parts.
Do you provide OEM and ODM services?
Yes. Sanding supports OEM and ODM services, including product design, mold development, sample making, injection molding production, packaging, and delivery.
Can the battery case size be customized?
Yes. Battery case size, structure, cover design, handle design, terminal position, wall thickness, and assembly details can be customized according to drawings, samples, or project requirements.
What materials are used for lead acid battery plastic cases?
Sanding has experience with high-temperature resistant ABS and high-temperature flame-retardant ABS materials. Material selection can be discussed based on heat resistance, flame-retardant performance, strength, impact resistance, and cost requirements.
Can you make flame-retardant battery plastic cases?
Yes. Sanding has technical experience in high-temperature flame-retardant ABS applications and can discuss suitable material solutions for projects with flame-retardant requirements.
Can you develop new molds for custom battery cases?
Yes. Sanding has an independent mold design and development team with complete mold processing equipment. New molds can be developed according to drawings, samples, or ODM project concepts.
What information is needed for a custom project?
Useful information includes drawings, samples, dimensions, material requirements, color, logo, terminal layout, packaging needs, estimated quantity, and delivery schedule.
What is your production capacity?
Sanding has more than 60 injection molding machines and over 80 core production staff, supporting stable production for battery plastic cases and custom plastic components.
Are your cases suitable for UPS battery suppliers?
Yes. Sanding’s lead acid battery plastic cases are suitable for UPS battery suppliers that require stable dimensions, reliable assembly, customized structures, and consistent quality.
Can you support industrial battery manufacturers?
Yes. Sanding supports industrial battery manufacturers with mold development, material selection, injection molding production, quality control, and OEM/ODM customization.
Do you accept small-batch trial orders?
Yes. Small-batch trial orders are supported for product testing, market validation, and custom project evaluation.
Do you support overseas orders?
Yes. Sanding has a professional foreign trade team familiar with English communication, export procedures, logistics, customs clearance, and international order tracking.
Why choose Sanding as a lead acid battery plastic case manufacturer?
Sanding offers nearly 20 years of experience, 43 patents, ISO9001 quality control, 60+ injection molding machines, an independent R&D team, mold development capability, and complete OEM/ODM services.