We are a professional factory dedicated to designing, manufacturing, and exporting high-quality insulated tumblers, water bottles, and drinkware for global buyers. With years of industry experience, we provide OEM/ODM, custom logo, and bulk order solutions to meet your business needs.
Hangzhou Zaiseng Home Products Co., Ltd. is a professional B2B manufacturer specializing in the R&D, production, and global wholesale of stainless steel vacuum-insulated mugs. Based in Hangzhou, China, and leveraging a mature supply chain and rigorous quality control system, we provide global brand owners, cross-border e-commerce businesses, gift companies, retail chains, and international wholesalers with cost-effective, customizable, and reliably delivered one-stop solutions for vacuum-insulated mugs. From product design, mold making, and prototyping to mass production, packaging, and shipping, Zaiseng remains committed to quality, delivery times, and service as our core values. We pour our heart into crafting every single thermos, helping our clients become more competitive in the global market. Translated with DeepL.com (free version)
These guiding principles define our culture, drive our manufacturing excellence, and ensure we deliver premium insulated tumblers and trusted service to global partners.
We adhere to strict quality control standards from raw material selection to finished product inspection. Every vacuum-insulated tumbler leaving our factory meets international quality requirements.
We build long-term partnerships by understanding client needs deeply. Whether it is OEM customization or bulk orders, we provide one-stop solutions to ensure customer satisfaction.
We keep innovating our 304 stainless steel products and production technologies to stay ahead in the global market, offering the latest designs and most cost-effective solutions.
