Brands & Business



At ESJ, we are more than just a manufacturer!
We are a strategic engine for global food service and retail brands.

Anchored by our robust industrial expertise,
our ecosystem features two specialized brands:
Rantra, our proprietary line of sustainable lifestyle tumblers, 
and Univi, our comprehensive global bubble tea supply chain network.

From commercial food packaging to retail lifestyle products
and turn-key beverage sourcing, our matrix delivers targeted,
high-performance solutions worldwide.


ESJ - Professional Dispostable Foodservice Packaging

ESJ serves as the foundational pillar of our enterprise, specializing in the R&D and manufacturing of professional disposable food packaging.

Operating advanced in-house material compounding facilities, we maintain total control over raw material quality and supply.

From high-efficiency traditional plastics to strict regulatory-compliant alternatives (such as wheat straw and plant-fiber containers), ESJ provides custom molding, precision printing, and agile OEM/ODM solutions to secure the supply chains of global F&B chains and distributors.
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Rantra - Eco-Chic Tumblers & Lifestyle Gear

Rantra represents ESJ’s strategic expansion into the consumer retail and premium corporate gifting markets.

Utilizing our group's advanced plant-fiber compounding technologies, Rantra delivers highly innovative, multi-functional sustainable tumblers proudly designed in Taiwan.

By capturing the global eco-lifestyle shift, this proprietary brand serves as a powerful market validator of our sustainable materials, successfully diversifying our corporate portfolio from commercial B2B food packaging into high-margin consumer products worldwide.
Visit Rantra Official

Univi - Professional Bubble Tea Supply Chain

Univi is our premium brand engineered to simplify and optimize the global bubble tea supply chain. By deeply integrating raw material networks across the two major boba hubs—Taiwan and Vietnam—Univi provides direct access to premium tea leaves, tapioca pearls, syrups, and regional specialties.

Unifying sourcing, customized ingredient formulation, and resilient global logistics under one umbrella alongside ESJ packaging, Univi delivers a seamless "packaging + ingredients" turnkey solution for international beverage brands and distributors.
Visit Univi Official