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湖南洞庭芯科技有限责任公司
HUNAN DONGTINGXIN TECHNOLOGY CO., LTD




Dongtingxin is a national high-tech enterprise and
"Specialized, Refined, Unique & Innovative" enterprise jointly invested and founded by Methyrr Technology (Changzhou) and Changde All-for-one
Tourism Development Co., Ltd.
As a full-industrychain technology enterprise focusing on the R&D,
production and sales of biomass materials, the company specializes in the
interdisciplinary composite application of polymer materials and plant
nanomaterials. Its flagship product is PBM (Plasticizable Biomass Material), a biomass material boasting outstanding market and social benefits.
The company’s R&D team consists of 15 professionals in total, including 7
Doctors of Materials Science and 7 staff with intermediate or above
professional titles, all holding master’s degrees or higher.
To date, the enterprise has filed 171 patents, among which 59 have been
granted; one scientific and technological achievement appraisal has been
completed, confirming its domestically leading technological position.
Two enterprise standards have been filed for official record, alongside 69
trademark applications.
In 2022, the company took part in formulating the evaluation standard for
Hunan Provincial Green Design Products.
In 2025, it participated in the revision of the national standard
Straw-based Plant Panels for Construction.
Hunan Dongting Core Technology Co., Ltd. is dedicated to the production of formaldehyde-free, waterproof, mildew-proof and flame-retardant non-adhesive straw boards.PBM Sichuan Methyrr Science and Technology CO.,LTD, a national high-tech enterprise in new materials and glue-free straw board production technology, cooperated with Changde Xihu District Management Committee to2023Year8Founded in July, the company is located in the Xihu District Industrial Park, with an existing factory area of35Through polymer material modification technology, Dongting Core uses a large amount of rice, rapeseed, corn, reed and other crop straw to make high-performance environmentally friendly glue-free straw boards.2024Annual production410,000 tons, with an output value exceeding2100 million yuan.
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