Dongguan Dong Zheng Blowing Products Co., Ltd. is a professional manufacturer engaged in blow molding, injection molding, mold development and production, as well as processing. We always adhere to the business philosophy of surviving on quality and thriving on integrity, providing excellent service to both new and old customers. Our main products include various containers, sports water bottles, oil cans, bubble bottles, toys like Christmas balls, beach balls, golf balls, plush toys, and more. Customers can place custom orders or provide materials for processing. The raw materials used in our product processing and production include PE, PP, ABS, 475, PVC, PET, PC, and PETG. Our products are of high quality, precision, and reasonable pricing, earning the trust of both new and old customers. We are honest, trustworthy, and strive for excellence.

Introduction to the Selection of Blow Molding Molds

Don't just focus on product design and neglect plastic mold manufacturing.
Some users, when developing products or new product prototypes, often initially focus solely on product research and development, neglecting communication with plastic mold manufacturers. There are two benefits to contacting mold manufacturers early after the preliminary design of the product is determined:
1. We guarantee that the products we design have excellent forming processes and the design will not be altered due to difficulties in processing parts.
2. Molding manufacturers can make design preparations in advance to prevent hasty considerations that could impact the project timeline.
3. High-quality plastic mold manufacturing requires close collaboration between both parties to reduce costs and shorten the production cycle.

Don't just focus on price; consider quality, lead time, and service from multiple angles.
1. There are many types of molds, which can be roughly divided into ten categories. Different mold forming types are selected based on various requirements such as material of parts, physical and chemical properties, mechanical strength, dimensional accuracy, surface finish, service life, and cost-effectiveness.
2. High-precision molds require machining on high-precision CNC machines, and there are strict requirements for mold material and forming processes. CAD/CAE/CAM mold technology is also needed for design and analysis.
3. Some parts require special molding requirements, necessitating advanced techniques such as hot runner molds, gas-assisted molding, nitrogen cylinders, and other sophisticated processes.
4. Manufacturers should have CNC, EDM, wire-cutting machine tools, CNC copying milling equipment, high-precision grinding machines, high-precision three-coordinate measuring instruments, computer design and related software, etc.
5. For general large-scale stamping molds (such as automotive cover mold), consider whether the machine tool has a blanking edge mechanism, as well as edge lubricants, multi-position progressive feeding, etc. In addition to the stamping tonnage, also consider the number of strokes, feeding device, machine tool, and mold protection device.
6. The manufacturing methods and processes for the aforementioned molds are not possessed or mastered by every company. When selecting a collaborative manufacturer, it's crucial to understand their processing capabilities, not just the hardware equipment but also the management level, processing experience, and technical strength.
7. There can be significant price differences for the same mold from different manufacturers. You should not pay more than the mold's value, nor should you pay less than its cost. Mold manufacturers, like you, need to achieve a reasonable profit in business. Ordering a mold with a much lower price can be the start of trouble. Users must weigh their own requirements.

Avoid multiple collaborations and strive for a one-stop service for plastic mold making and product processing.
1. Having a qualified mold (sample passes) does not guarantee the production of bulk qualified products. This primarily relates to the selection of machine tools for part processing, forming technology (forming temperature, forming time, etc.), and the technical proficiency of the operator.
2. With a good mold, good forming processing is also necessary. It should be a seamless collaboration, avoiding multiple parties as much as possible. If conditions are not met, choose one party to be responsible, and make sure it's clearly stated in the contract.