FAQ

Frequently Asked Questions

1. What is glass made of ?

Glass is primarily composed of quartz sand (70%), soda (14%), dolomite (14%), and refining agents (2%).

2. Can you produce bottle per our design?

Yes, we support custom bottle production based on your design. This includes customized shapes, embossed logos, colors, patterns, and more to meet your specific requirements.

3. What’s your shipping terms?

For trial orders, we ship via air carriers such as FedEx, DHL, UPS, or TNT.

For larger orders, we arrange shipment by sea or air according to your needs. We can also recommend the most suitable shipping method upon request.

4. How long does the project development process take for a mould?

The process from initial concept to finalized technical drawing typically takes about 3 to 4 weeks.

5. What is the delivery time for a mould?

From the time the customer approves the drawing to delivery usually takes about 10 to 12 weeks.

6. Does HuaYuan produce any enhanced or decorated glass packaging? What is the minimum batch size?

Embossed glass reliefs underline the individuality of the product. They are a popular way of enhancing glass packaging. We also work with professional partners to produce glass packaging with decoration (screen-printing, lacquering, frosting, etc.). Such enhancements are possible from small batch sizes through to large-scale production.

7. From a production technology aspect, what is the difference between non-returnable and returnable glass packaging?

Returnable glass packaging is subjected to greater stress due to repeated refilling and washing. So it is made heavier, with thicker walls. Non-returnable glass packaging, on the other hand, requires thinner walls and is more lightweight.

8. What is special about lightweight glass packaging?

Lightweight glass containers are made using the narrow-neck-press-and-blow process. This technology allows containers to be made with especially thin walls. When making the containers, we first use the finite element method to identify those points which are subject to particular pressure. Often only minor adjustments to the geometry of the container are required to eliminate those stresses. Lightweight glass containers are as strong and stable as their heavier predecessors.

9. How does HuaYuan monitor the quality of its glass packaging?

We put our glass packaging through the following quality tests:

measuring tests (weight, content, dimensions, etc.)
destructive testing (internal pressure, pendulum swing impact, thermal shock, etc.)
100% inline testing by inspection machines (wall thickness, crack testing, impurity testing, etc.)

10. Why is surface tempering necessary and what does it consist of?

Surface tempering enhances the durability of glass packaging. At the hot end, a zinc oxide coating is applied, while at the cold end, a polyethylene coating is typically added to improve slip resistance. For wet glue labeling, the adhesive is specially matched to the cold-end coating.

11. What happens if I have a complaint?

If you need to file a complaint, please retain the damaged glass packaging and note the pallet number, then provide this information to your customer advisor or our technical customer service team. This helps our specialists quickly identify and resolve the issue.