Deep Roots in Natural Rubber
LONG ZE GROUP (THAILAND) CO., LTD., formerly Tai Hong Rubber Co., is a group enterprise integrating rubber cultivation technology R&D, yield-enhancement services and international trade. Headquartered in Bangkok, the Group provides one-stop yield solutions for plantation owners built on its proprietary 2nd-generation plant hormone gas stimulation short-line tapping technology (LET).
Since establishing its first trial site in Danzhou, Hainan in 2013, the Group has built multiple demonstration bases in Hainan, Yunnan (China) and Thailand, training over a thousand farmers and technicians. In 2026, the incorporation of the Thailand company marked a new phase of international expansion.
From Trial Site to Multi-National Group
First Trial Site — Danzhou, Hainan
The first LET trial base was established, beginning years of continuous yield measurement that validated the stability of gas stimulation tapping.
Expansion — Xishuangbanna, Yunnan
The technology was deployed in Yunnan rubber plantations, proving adaptability across different altitudes and climates.
Large-Scale Base — Baisha, Hainan
A hundred-mu-scale demonstration base was built and opened to visitors, hosting plantation owners, enterprises and government delegations.
Thailand Company Established
LONG ZE GROUP (THAILAND) CO., LTD. was incorporated in Bangkok, anchoring the Group’s international strategy in Southeast Asia.
Make Every Rubber Tree Worth More
Sustainable
Tree-friendly by design: the technology extends the economic life of rubber trees, aiming for long-term coexistence of people and plantations.
Evidence-Based
Data speaks: 13 consecutive years of field yield records and open-to-visit demonstration bases — results you can verify with your own eyes.
Win-Win
Growing together with plantation owners: from training to harvest management, we share the gains of higher yields with our clients.