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About Us

PT. Zaini Makmur Sentosa (Zamasta) is an Indonesian-based agricultural and research company founded in 2012. We specialize in producing hybrid corn seeds, rice, crop protection products, and biofertilizers.

Operating from our seed processing plant in Megaluh, Jombang, East Java, we ensure high-quality seed production through rigorous quality checks.

Our vision is to be an integrated agricultural company that contributes to feeding the world while preserving nature and the environment. We continuously invest in agricultural technology to help farmers achieve optimal yields with limited agricultural resources.

Our Values : C I P I R

CONSTRUCTIVE

Openness, honesty, and respect for others. Always give constructive feedbacks and solution instead of complaining.

INTEGRITY

Do everything wholeheartedly. Finish what you start. Take responsibility for all decisions made.

PROGRESSIVE LEARNING AND IMPROVEMENTS

Do everything better than previously. Always learn to solve problems differently.

INTELLIGENT

Be a calculated risk-taker. Work hard, smart, sincerely, and meticulously.

REPUTATION

Think long-term. Build a good reputation. Work is a form of worship to God.

Vision :

Driving Indonesian agricultural innovation and sustainability for the prosperity of farmers, customers, and our planet

Mission :

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We think long term

As crops don’t grow and can’t be harvested overnight, we know that our teams have to think long-term. We are aware that it takes more than two decades to build a reputation and just a few minutes to pop it. We bring the best of our people together to provide good and sustainable products.

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We partner mutually and sustainably

Our local farmer partner is always our priority. We keep thinking and advancing to provide them with good and sustainable products. As for our stakeholders, we put mutual consent and interest above all. Therefore, we can thrive together.

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We drive to thrive

Bringing the best and most effective practices to everything we do is our credo. We believe that a good process will eventually deliver good products and services. And this will make us all thrive as one ecosystem.

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We are born progressive learner

We actively listen to our stakeholders and go to see things ourselves in order to have constructive input as necessary to make efficient and effective improvements in every aspect of our business.