On March 3, 2026, Jinfa Technology was granted the patent “A Biodegradable Polyester Composition, Its Preparation Method, and Applications” (CN202310527863.3), which develops biodegradable composite materials containing 0–25% PLA, compounded with both acid‑etchable and non‑acid‑etchable inorganic rigid particles, thereby achieving lightweight films with high strength. On April 4, the company, in collaboration with Zhuhai and Liaoning Jinfafa Bio, publicly disclosed a patent (CN121779880A) introducing a high‑performance PLA alloy centered on 18–47 parts of PLA, blended with a high proportion of PBS/PBAT and a specialized nucleating agent, addressing the issues of poor dimensional stability and easy gate breakage during processing that plague conventional PLA.

　　During an institutional investor briefing on March 13, Yutong Technology confirmed that its eco-friendly packaging business is steadily adopting PLA/paper composite materials and PLA‑modified starch adhesive systems, which are used for high‑end food and catering packaging and comply with the EU EN 13432 compostability standard.

　　On March 18, Zhejiang Huasheng Ecological Technology Co., Ltd. commenced trial production of its bio-based new materials project, with a total investment of RMB 201 million. The project focuses on producing non‑food‑based (straw and cassava residue) modified PLA resin, employing a continuous melt polymerization process that yields a narrower molecular weight distribution and approximately 30% improved mechanical properties, targeting the food packaging and 3D printing filament markets. On April 8, the company launched a new fully biodegradable mulch film made from a PLA/PBAT blend, which can achieve complete degradation in soil within 180 days, and is concurrently participating in the Jiangsu–Zhejiang–Shanghai agricultural pilot program aimed at reducing plastic use while enhancing efficiency.

　　On March 22, 2026, Wanhua Chemical’s Sichuan project to produce 75,000 tons per year of PLA through an integrated process completed its environmental impact assessment public notice and officially commenced large-scale capacity construction, establishing a full‑process chain from lactic acid to lactide to PLA. Between March 27 and April 7, several core patents were successively granted, covering technologies such as PBAT/PLA sheath–core composite fibers, PLA/PBAT modified biodegradable films, and high‑efficiency catalysts for lactide synthesis, effectively addressing industry‑wide challenges related to PLA’s compatibility, heat‑sealability, and synthesis efficiency. Meanwhile, at the TCT Asia exhibition in March, the company unveiled functional PLA masterbatches tailored for 3D printing, leveraging its robust chemical platform to accelerate the development of PLA‑based modifications and their market applications in high‑end fibers, food packaging, biomedical fields, and more.

　　From March to April 2026, eSUN New Materials will launch a series of innovative products in the PLA sector, focusing on two key areas: 3D printing and fiber. At the TCT Asia show from March 17–19, the company unveiled its PLA‑Wood wood‑like filament—featuring a density of 0.7 g/cm³ and a matte wood‑grain finish—as well as an upgraded, spray‑free PLA‑metal version. On March 20, it obtained a patent (CN118957875B) for a thermally rolled, biodegradable PLA nonwoven fabric. On March 31, during a live‑streamed event, eSUN introduced new aesthetic and functional PLA products. From April 14–16, at the Rapid+TCT show in Boston, the company debuted a PLA material specially designed for casting, with an ash content of just 0.003%, while simultaneously advancing the optimization of its Suzhou PLA fiber and nonwoven production lines and developing bio‑based blended products. eSUN New Materials (Suzhou) Co., Ltd. continues to strengthen its end‑to‑end PLA solutions across 3D printing, textiles, and packaging applications.

　　On March 18, Anhui Fengyuan Group publicly disclosed a patent for a polycarbonate–PLA blend (CN202512057446.9), enhancing both material compatibility and mechanical properties. On March 27, the company showcased PLA‑based fiber apparel at China International Fashion Week, expanding applications in the textile sector.

　　On March 17 and March 31, Anhui PuliSi Biotechnology successively disclosed patents for a polylactic acid (PLA) pellet crystallization and drying system and for biaxially oriented PLA film materials, thereby optimizing PLA processing techniques and film performance. On April 3, the company announced a patent for a high‑heat‑resistant PLA coating composite material, addressing the insufficient heat resistance of conventional PLA coatings and making it suitable for food‑packaging applications such as paper cups and paper bags. Meanwhile, PuliSi continues to advance its efforts to develop proprietary lactide production technology and is pursuing long‑term plans to expand PLA production capacity to 300,000 tons.

　　On March 17, 2026, NatureWorks announced a collaboration with CJBiomaterials to launch the Ingeo PLA+ amorphous PHA blend solution, enhancing heat resistance and toughness in packaging and tableware while accelerating compostable degradation. On March 22, NatureWorks optimized its Ingeo™ Extend4950D biaxially oriented film-grade resin, achieving seven times greater transverse stretch and eight times faster degradation, making it well-suited for coffee capsule and confectionery packaging.

　　At the end of March, BASF launched new bio-based materials to enhance its portfolio of biodegradable products. In April, at the Interpack packaging trade fair in Germany, it unveiled a new high‑heat‑resistant, high‑barrier coating‑grade Ecovio® product, with heat resistance boosted to over 95°C while retaining its industrially compostable degradation profile. Simultaneously, in response to the EU’s PPWR regulation, BASF introduced a single‑material, compostable PLA packaging solution and is advancing the development of a closed-loop recycling system based on rPLA blended with Ecovio®. The company continues to leverage PLA blending and modification technologies to serve the high‑end packaging, fresh‑produce tray, and disposable‑goods markets.

　　On March 18, 2026, SK Chemicals confirmed its participation in CHINAPLAS 2026, where it will debut a high‑heat‑resistant PLA/PBS blend modified material—suitable for hot beverage containers and fresh‑food packaging—as well as a bio‑based, biodegradable PLA specifically designed for nonwoven fabrics. The company will also showcase PLA combined with natural fibers and an rPLA closed-loop recycling solution. On March 25, at the ChemReplas 2026 conference, SK Chemicals unveiled its chemical recycling technology for PLA, enabling depolymerization and repolymerization of waste PLA to achieve purity levels comparable to virgin material.

　　On March 15, 2026, Germany’s Bio-Fed confirmed its participation in the Shanghai International Plastics and Rubber Exhibition, scheduled for April 21–24. The company will debut M·VERA® GP1065, a high-barrier PLA specialty resin for coffee capsules—featuring enhanced oxygen barrier performance, exceptional heat resistance exceeding 110°C, 98% bio-based content, and compliance with food-contact regulations—as well as M·VERA® S7618, a high‑heat‑resistant injection‑molding grade PLA suitable for hot meal containers and small appliance housings. Concurrently, it will showcase M·VERA® F5509, a compostable PLA film, and bamboo‑fiber‑reinforced PLA composites. On March 28, at the Cologne BioPark, Bio-Fed unveiled a chemical recycling technology for PLA, achieving rPLA purity comparable to virgin-grade material while maintaining food‑grade compliance. On April 10, in collaboration with European packaging manufacturers, the company launched a single‑material, PLA‑based high‑barrier packaging system aligned with the EU’s Packaging and Packaging Waste Regulation (PPWR).

　　On March 26, Sulzer confirmed its participation in the Shanghai International Plastics and Rubber Exhibition, scheduled for April 21–24, where it will showcase a comprehensive, end-to-end PLA technology suite—from lactic acid to polylactic acid—alongside high-purity lactide production processes, rPLA chemical recycling, and advanced modification strategies for high‑heat‑resistant, highly crystalline PLA. On April 6, the company announced that it would supply complete process technology and key equipment—including lactic acid to lactide conversion and polymerization—for Emirates Biotech’s Falcon PLA project in the United Arab Emirates, the world’s largest at 160,000 tons per year, and has commenced detailed engineering design. Concurrently, Sulzer is advancing optimization of the 30,000‑ton‑per‑year PLA plant at Huatong in Yangzhou, China, and delivering technical solutions for India’s first bio‑plastic project. Additionally, at its Innovation Center in Switzerland, the company is conducting pilot-scale trials on PLA/PBS blends and high‑barrier coatings, further reinforcing its global leadership in PLA production technologies.

　　On March 25, TotalEnergies Corbion announced that it will host the Luminy® PLA Innovation Symposium during CHINAPLAS in Shanghai on April 22–23, spotlighting four new products: high‑flow meltblown PLA L040, high‑melt‑strength PLA foam, 3D‑printing‑grade PLA, and single‑layer barrier BOPLA film. On March 30, the company disclosed that its collaboration with Sansu has enabled closed-loop chemical recycling of label‑free embossed PLA water bottles. Meanwhile, on April 13, at the FOCUS Forum in Nanjing, TotalEnergies Corbion unveiled a low‑carbon solution for PLA meltblown wipes: the L040 formulation is compatible with existing production lines, reduces the carbon footprint by 85%, and leaves no persistent microplastics.