Zhongde (Beijing) Machinery Equipment., Ltd.

ZHONGDECustomizing | Manufacturing

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FAQs

01

Can Zhongde create 3D drawings for customers?

Generally, customers is responsible for submitting 3D CAD drawings. If you have difficulties in providing drawings or have special requirements, we can create 3D drawings based on existing samples or 2D drawings. In addition, we can assist in modifying 3D drawings according to your requirements. However, these require discretionary charges.

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02

What format of drawings do you use?

In order to provide an accurate and timely quote, we usually accept 3D CAD files in STP, STEP, IGS and X_T format. 2D drawings with reference dimensions in JPG, PDF format. We must receive complete manufacturing information as part of this technical documentation.

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03

Can I modify the mold after the first run?

We can modify your mold by additional machining, fill-in welding, welding in additional material, or inserting a replacement feature, for a reasonable cost. If the changes are too great, however, producing a new mold may be more cost-effective than reworking the existing one.

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04

Who owns the mold?

The mold belongs to our customers. Zhongde is only responsible for saving the mold for you and will not use it for other customers.

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05

What is the service life of the mold?

Generally speaking, one set of molds can produce millions of products, and we will provide mold maintenance and repair services. If the lifespan of mold is over and it cannot be used anymore, we will remake the mold FREE.

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01

What is the difference between CNC machining and injection molding?

Compared with injection molding, CNC machining has shorter period and higher production accuracy. However, the unit price of the product is higher.

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02

What are types of compression molding?

There are two types of compression moulding process, i.e., cold compression and hot compression moldings.

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03

What is the difference between molding and casting?

Molding or Mold making is the act of creating the cavity that carries a negative or reverse impression of an original model. Casting is the act of pouring liquid material into the cavity of a mold.

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04

What are the commonly used materials for machining?

Common materials are divided into two categories: the processing of metal materials, such as stainless steel, carbon steel, cast iron, copper, aluminum, etc.; the processing of non-metal materials, such as ceramics, plastics, etc. Hardness from high to low: stainless steel>cast iron>copper>aluminum.

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05

What is your 3D printing manufacturing technology?

Our 3D printing technologies are FDM, SLS, etc. Our professional engineers will choose the right crafts according to product characteristics.

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01

What is your customized product range?

We can customize all kinds of rubber, plastic, metal parts.

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02

How can I start to customize my products?

You can send us samples or 2d / 3d drawings, and we will produce accordingly.

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03

My customized parts are used in a special environment, how do you ensure that they can meet my requirements?

We have experienced material engineers who will choose the right material according to the product's use environment. If the general material cannot meet the requirements, we will add additives or modify the raw materials.

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04

What is your normal tolerance?

The tolerance of machined part is usually ±0.02mm, the tolerance of molding part is usually ±0.05mm.

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01

Can we send you products from other suppliers for us to assemble?

Yes. You can send us the products from other suppliers, and after the assembly and packaging of our products are completed, we will ship them to you together.

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02

Will you have extra fee for assembly service?

Our assembly service will charge a fee slightly lower than the market price depending on the situation, and usually the quotation will be included in the product.

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03

What if the assembled parts are scattered after receiving the goods?

If it is our assembly reason, you can send the goods back to us for reassembly, and we will bear the freight back and forth.

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04

Can you manufacture parts in any every color?

We make any colors according to your requirement, such as black, red, yellow, blue, purple, orange, brown, or transparent. Alternatively, you can provide PANTONE color number or samples; we will make the precise color for you.

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01

What is the process for getting a quotation?

Please provide us 2D/3D drawings or samples. After learning your special requirements and quantity of the products, we will offer your quotation within 24 hours.

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02

What kind of payment do you accept?

T/T, L/C, Weston Union are all accepted.

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03

How do you deal with unqualified order?

If we do not produce according to customer requirements, we will carry out free replenishment.

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01

What is your standard packaging?

In general, we use ziplock bag or bubble file plus cardboard boxes, wooden pallets or wooden cases will be used if necessary. Special packaging method is available if needed.

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02

Can you offer customized packaging?

We can provide customized packaging according to customer needs, and charge as appropriate.

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03

What is normal lead time?

Average 15-25 days for tooling, bulk orders should be depends on quantity.

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04

What are your shipping methods?

We can ship by sea, air, or international express such as FedEx, DHL, etc.

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01

How do you make the quality control?

We have passed the ISO9001:2015 quality control system certification, each of our production process undergoes rigorous testing and inspection to ensure superior quality.

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