About Us
Harbin Lianqing Plastic Packaging Container Co., Ltd.
Harbin Lianqing Plastic Packaging Containers Co., Ltd. is located in the “Ice City” of Harbin and is a specialized enterprise in Northeast China engaged in the research, development, production, and sales of plastic packaging containers.
With years of deep industry expertise and a mature production system, the company specializes in food-grade packaging containers, industrial plastic drums, agricultural and aquaculture tanks, pesticide‑spraying tanks, and sanitation‑related plastic products. We also offer large hollow‑body containers ranging from 200 liters to 5 tons, as well as injection‑molded products. Our products undergo rigorous quality control, featuring excellent corrosion resistance, superior sealing, and safety and environmental compliance, with customization available upon request.
The company adheres to the principles of quality first and honest business practices, with its products enjoying strong sales throughout Northeast China. We remain committed to craftsmanship and innovation, wholeheartedly delivering high‑quality products and services, and working hand in hand with our customers for mutual success and shared growth.
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Technology and Innovation
Research and Development of Cold-Resistant Modified Raw Materials
We independently formulate cold‑resistant, modified plastic resins that remain tough and resistant to cracking even at –30°C. We offer virgin resins tailored for food‑grade, medical‑grade, and industrial‑chemical applications, with compliant test reports available, ensuring optimal performance for storage and transportation in northern winter conditions.
Smart Integrated Molding Process
Fully automatic servo‑driven blow‑molding and injection‑molding equipment; CNC‑controlled wall‑thickness precision for seamless molding; barrel body with reinforcing ribs for enhanced drop and compression resistance; large‑capacity design that resists deformation when stacked; compatible with automated filling lines.
Multi-layer composite leak-proof sealing technology
Our proprietary multi‑seal structure, combined with a range of specialized cap accessories, effectively prevents leakage and inhibits oxidation, meeting the stringent sealing requirements for the long‑distance storage and transportation of beverages, pharmaceuticals, and chemical liquids.
Independent Mold Rapid Development System
We operate our own mold‑making workshop, offering precision machining based on 3D modeling. We provide rapid custom fabrication of specialized containers with unique shapes and graduated markings, with flexible adjustments to container type, wall thickness, and opening diameter, and a short lead time for new‑tooling development.
Appearance Customization and Processing Technology
Integrating color matching, scale and marking, silk-screen printing, and hot stamping into a single process, we offer custom barrel colors and textures, along with branded and warning labels. With end-to-end in-house production, we shorten lead times.
Zoned Cleanroom Standardized Production Environment
The production line is equipped with intelligent devices for wall‑thickness measurement, leak testing, and visual sorting, and employs a three‑tier inspection system covering raw materials, semi‑finished products, and finished goods. Complemented by specialized testing instruments, the products are fully traceable on a batch‑by‑batch basis.
Zoned Cleanroom Standardized Production Environment
Dedicated clean production areas are established for food and medical products to prevent dust and cross-contamination, with strict adherence to national standards for food contact materials, ensuring that finished products are packaged in a dust-free environment before leaving the facility.
Industry-Specific Product Iteration and Innovation
We optimize product portfolios for sectors such as food, personal care, agriculture, and chemicals, aligning with the material‑storage requirements of each industry to deliver durable, cost‑effective packaging solutions.
Manufacturing and Quality Control
The company leverages fully automated, partitioned, intelligent production lines to establish a three-tier, end-to-end quality‑inspection system covering raw materials, in‑process stages, and finished products, ensuring that all products meet regulatory standards and maintain consistent quality.
Standardized Intelligent Manufacturing
The company is equipped with fully automated servo‑controlled blow‑molding and injection‑molding production lines, employing CNC‑based wall‑thickness control and an integrated seamless molding process. Combined with a ring‑shaped reinforcing rib design, the containers deliver exceptional drop resistance, pressure tolerance, and stackability without deformation. The facility features separate production zones for food, medical, and chemical applications; dedicated cleanrooms ensure dust‑free manufacturing of food‑ and pharmaceutical‑grade containers, while virgin raw materials are stored in segregated areas to prevent any contamination from recycled or waste materials. With an in‑house mold‑making workshop, we handle mold development, color matching, silk‑screen printing, and scale‑marking in a single, integrated process, enabling efficient mass production of custom bottles and drums. Our local production capacity is robust, ensuring timely delivery.
A rigorous, end-to-end quality control system
The company has established a three‑tiered, closed‑loop quality‑control system—covering incoming raw‑material inspection, in‑line production monitoring, and random sampling of finished products upon shipment—to ensure rigorous quality management across every stage of the manufacturing process. The production line is equipped with fully automated wall‑thickness gauges, intelligent leak‑testing devices, and high‑resolution visual sorting systems, which automatically identify and reject nonconforming items such as uneven wall thickness, leakage, or surface defects. An in‑house quality‑inspection laboratory is outfitted with a comprehensive suite of specialized testing instruments and routinely simulates the low‑temperature conditions typical of northern climates, conducting a wide range of performance tests, including drop resistance, stack‑pressure endurance, seal‑leakage prevention, acid‑and‑alkali corrosion resistance, and migration of harmful substances. All products are retained as batch‑specific samples for archival purposes, and production records are maintained in full compliance with traceability requirements. Food‑contact containers strictly adhere to the national standard GB 4806.7, medical packaging rigorously controls low‑migration limits, and chemical and agricultural containers undergo dedicated anti‑corrosion and anti‑permeation testing. Each batch of qualified products is accompanied by a complete quality‑inspection report, enabling multi‑dimensional identification and mitigation of potential quality risks—including cracking, leakage, and substandard material composition—thereby ensuring safe, compliant, and fully certified packaging and storage solutions across all industries.
News Updates
We provide real-time updates on new product development, technological upgrades, factory operations, customer collaboration case studies, and industry packaging trends, offering a comprehensive view of the company’s growth journey and brand strength, so customers can stay informed about the latest business and innovation developments.
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Corporate Strength
The industrial park features standardized steel‑structure factory buildings, with clearly demarcated production workshops and administrative offices and well‑organized circulation routes. The site includes extensive open space, ample loading‑unloading and storage areas, smooth logistics corridors, and convenient vehicle access. Comprehensive upstream and downstream production support facilities are in place, enabling large‑scale, continuous manufacturing operations.
Enterprise equipment
Enterprise equipment
Enterprise equipment
Enterprise equipment
Contact Us
Address: Heping Village, Chenggaozi Town, Xiangfang District, Harbin City, Heilongjiang Province
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