Greenhope (PT Harapan Interaksi Swadaya) was born out of PT Tirta Marta (“Tirta Marta”, est. 1971) with a focus to champion sustainable green plastic solutions, while Tirta Marta will keep focusing on manufacturing flexible packaging for food, pharma, chemicals, cosmetics, electronics, etc. As the exclusive patent holder and manufacturer of the core environmentally-friendly plastic resins OXIUM® and ECOPLAS®, Greenhope's mission is to collaborate with as many brand owners and manufacturing partners as possible, to convert their current plastic usage into innovative sustainable, oxo-biodegradable, biodegradable / bio-based plastics. Greenhope actively research and deploy new innovative applications like degradable diapers, face masks, gloves, etc. Given its Fair For Life certification ( by Switzerland’s IMO, Greenhope’s social and environmental impact is intentionally embedded in the business model. For example, scaling up ECOPLAS® applications means automatically thousands of cassava farmers earn better wages and gain access to global market. Greenhope brings its eco-friendly solutions to market through a network of manufacturing and sales partnerships in Indonesia, Southeast Asian countries, and the USA.

Business Website: (under construction),,

Year Founded: 1971

Number of Employees: Unknown