Analysis of Blow Molding Product Technology and Advantages of CHH

Column:Company News Time:2025-12-05
Qingdao Chuanghui: a leader in blow molding! Its one-piece technology eliminates welding, fitting multi-scenario needs. Products resist acid/alkali, have anti-UV performance, and are easy to assemble—ideal for home, outdoor & office.

Qingdao Chuanghui Industry Co., Ltd. focuses on the R&D and production of products manufactured via the one-piece blow molding process. It adopts imported plastic particles as the core raw material. Through precise process control, its products boast strong impact resistance, stable continuous heat resistance temperature and low plasticization shrinkage rate, maximizing the core performance advantages of the material to reach the industry-leading level.



1.Technical Principle of Blow Molding Process



As an efficient plastic molding technology, the blow molding process realizes the standardized production of products through a precise three-step process of "raw material treatment - molding - setting". The core principles are as follows:



Raw Material Softening Stage


Imported plastic particles are heated to a molten state and extruded into tubular "parisons", ensuring that the raw materials are uniformly softened and have good plasticity.


Blow Molding Stage


The softened parison is moved into a customized mold, and compressed air is injected to make the plastic fit closely to the inner wall of the mold. The mold clamping precision is controlled to ensure the dimensional accuracy of the product.


Cooling and Setting Stage


A circulating water cooling system is used to lower the temperature of the product. After the product is completely solidified, the mold is opened, and the qualification rate of finished products taken out is very stable.



2. Core Competitive Advantages



2.1 Molding Advantage: Strong Adaptability of Hollow Structure and Greatly Improved Assembly Efficiency


The blow molding process can form complex hollow structure products in one go without subsequent welding or splicing, perfectly meeting the needs of hollow products in multiple scenarios. The company's core products include portable commodes, mobile water tanks, mobile washbasins, sidewalk A-shaped display boards, etc. The specific advantages are reflected in the following aspects:



  • Simplified Assembly:


  • By virtue of 3D development, the blow molding process can directly form relatively complex matching structures, facilitating subsequent assembly and eliminating the use of hardware fasteners. Most products designed based on this process can realize simple splicing or rapid assembly.





  • Leakage Prevention and Weather Resistance:



  • The one-piece structure avoids leakage at the product splicing joints. Products made of plastic materials are non-rusting and non-corroding. Anti-UV color masterbatches are added to outdoor products to enhance weather resistance, and their service life is 5-8 years longer than that of metal products. Moreover, our products have a service life of 8-10 years.





  • Stable Structure:


  • Relying on the one-piece molding of blow molding, the hollow components have excellent load-bearing, drop resistance and impact resistance characteristics. Compared with spliced products, they have higher structural stability. For example, our portable commode can bear a load of 200kg without deformation.




2.2 Cost Advantage: High Raw Material Utilization Rate, Achieving a Win-Win Situation of Environmental Protection and Cost-Effectiveness



The utilization rate of raw materials is high, and less waste is generated during the production process. In addition, the waste can be crushed and recycled for reuse, which can reduce the waste of raw materials, achieve the concept of sustainability and environmental protection, and meet global environmental protection requirements.





2.3 Product Performance: Dual Breakthroughs in Portability and Durability



Relying on high-quality raw materials and innovative designs, the company's products achieve a balance between weight and durability. The key performance indicators are as follows:


  • Lightweight Advantage:


  • The product has low density. Compared with metal products of the same volume, its weight is reduced by 60-70%. At the same time, compared with ceramic products, it is more shatterproof and lighter, which can be easily carried by a single person, greatly reducing the logistics and transportation costs.


  • Durability Upgrade:


  • The product has strong impact resistance, stable performance within the range of high and low temperatures, and acid and alkali corrosion resistance.



  • Optimized Structural Design:


  • Combined with the unique design of the product design department of our Qingdao Chuanghui Industry Co., Ltd. (CHH) and the shape design formed by years of design and production experience, the wall thickness becomes more uniform. With the additional intelligent wall thickness control system, the load-bearing capacity of the connecting parts is improved, and the fixing stability is significantly enhanced compared with the traditional design, which can meet the needs of high-frequency use.