Featured Blogs

Do you offer retail-ready packaging solutions ...

Do you offer retail-ready packaging solutions like hang tags and display cartons for loose mugs?

Aug 18,2026
本文探讨零售包装与展示方案，涵盖吊牌、展示盒、定制包装及环保趋势，并邀请您联系制造商获取个性化建议。

Can you provide drop-test results for your sta...

Can you provide drop-test results for your stainless steel bottles to ensure outdoor durability?

Aug 18,2026
WUYI SHUANGLICUP responds to inquiries about drop-test results for stainless steel bottles, explaining their rigorous testing process, premium stainless steel construction, and reliability for outdoor use.

Are your products suitable for both hot tea an...

Are your products suitable for both hot tea and carbonated drinks without pressure buildup?

Aug 11,2026
Explore the 30oz stainless steel tumbler's performance with hot tea and carbonated drinks. Discover material quality, 12-24h insulation, and important pressure buildup advice.

Do your insulated mugs have a protective coati...

Do your insulated mugs have a protective coating to prevent fingerprints and scratches?

Aug 11,2026
Yes, our insulated mugs feature a rubber coating that helps prevent fingerprints and scratches. Discover the double-wall stainless steel thermos cup from WUYI SHUANGLICUP.

What grade of stainless steel do you use for t...

What grade of stainless steel do you use for the inner and outer walls of insulated bottles?

Aug 05,2026
WUYI SHUANGLICUP uses 304 food-grade stainless steel for the inner wall and 201 stainless steel for the outer wall of insulated bottles. This combination ensures safe contact with beverages, robust exterior durability, and effective vacuum insulation, ideal for sports, travel, and daily use.

How many hours can your vacuum flask keep beve...

How many hours can your vacuum flask keep beverages hot or cold under normal conditions?

Aug 04,2026
This article explains how long vacuum flasks typically keep drinks hot or cold, focusing on the influence of stainless steel grade, vacuum technology, and seal quality. It introduces WUYI SHUANGLICUP as a trusted 25-year manufacturer with advanced 5G factory capabilities and direct contact information for product-specific inquiries.

What certifications do drinkware importers typ...

What certifications do drinkware importers typically require from suppliers?

Aug 03,2026
This guide explains the key certifications drinkware importers look for in suppliers, including BSCI, FDA, LFGB, ISO 9001, and SMETA, and introduces WUYI SHUANGLICUP's 25-year manufacturing expertise.

How to ensure a factory has valid social compl...

How to ensure a factory has valid social compliance certifications?

Aug 02,2026
This guide explains how professional buyers can verify that a factory holds valid social compliance certifications like BSCI, FDA, and LFGB. It covers requesting official certificates, checking expiry, verifying with issuers, conducting audits, and ensuring product-specific coverage—using WUYI SHUANGLICUP as an example manufacturer.
Is LFGB certification necessary for glassware exported to Europe?

Is LFGB certification necessary for glassware exported to Europe?

Aug 01,2026
LFGB certification is technically mandatory only for products sold in Germany, but European buyers increasingly require it as a de facto compliance standard for food-contact glassware. This blog explains the regulatory framework, testing requirements, and why investing in LFGB certification gives exporters a strategic advantage in the EU market.
What are the FDA requirements for exporting drinkware to the US?

What are the FDA requirements for exporting drinkware to the US?

Jul 31,2026
Understand the essential FDA requirements for exporting drinkware to the United States, from material safety and chemical migration testing to GMP and labeling. Discover how WUYI SHUANGLICUP CO.,LTD, with 25 years of experience and a 5G smart factory, supports buyers with compliance audits and high-quality stainless steel beverage containers.
How to verify BSCI certification for drinkware manufacturers?

How to verify BSCI certification for drinkware manufacturers?

Jul 30,2026
A comprehensive guide on how to verify BSCI certification for drinkware manufacturers, using the example of WUYI SHUANGLICUP CO.,LTD – a 25-year Chinese manufacturer of stainless steel vacuum flasks, water bottles, coffee pots, and mugs with a 100,000㎡ 5G factory exporting to over 70 countries.
Can I get samples before placing a large order for custom drinkware?

Can I get samples before placing a large order for custom drinkware?

Jul 29,2026
WUYI SHUANGLICUP, a 25-year stainless steel drinkware manufacturer, offers samples before bulk orders. Learn how to request custom samples with your logo, verify print quality, and benefit from fast delivery and low cost. Contact our team to get started.