airtight glass jars has become the star product of 烟台昌友玻璃制品有限公司 since the establishment. At the initial stage of product development, its materials are sourced from top suppliers in the industry. This helps improve the stability of the product. The production is conducted in the internationalized assembly lines, which greatly improve efficiency. The strict quality control methods also contribute to its high quality.

We will always be brand-led, and our brand - Changyou Glass will always have unique offerings to nurture and preserve the distinctive identity and purpose of each customer' brand. As a result, we enjoy multidecade relationships with a number of industry-leading brands. With innovative solutions, Changyou Glass products generate added value for these brands and society.

To provide satisfactory service at Changyou Glass, we have employed a dedicated in-house team of product engineers, quality and testing engineers with extensive experience in this industry. They are all well-trained, qualified, and given the tools and authority to make decisions, providing the best services for customers.