Windmӧller & Hӧlscher maintains the leading market and technology position in hot air sealing machines for block-bottom bags. The block-bottom bags produced by its machine are widely known and recognized as Ad Protex bags made of coated woven PP. W&H shipped its 400th Convertex to Samarth Fablon in West Bengal last year where it is producing bags at a speed of 120 bags per minute. W&H engineer Lovely Kumar confirmed that the machine is performing well and at its maximum production capacity, during his last service visit in January.

Samarth Fablon is one of the largest suppliers of PP woven sacks in India having begun their production in 1999. The company has an established track record in the domain of polypropylene (PP) and high-density polyethylene (HDPE) sacks in eastern India. Its managing director Bishnu Agarwal, who has great domain experience, had already earlier purchased a W&H block-bottom machine in 2009. This was India’s first block-bottom machine marking the genesis of block-bottom bag manufacturing in the country.

Polypropylene sack manufacturing is a highly competitive industry with a large number of small-scale units leading to fragmentation. However, major and experienced industrialists generally prefer to invest in proven industrial strength technology for staying ahead of competition. With the installation of another W&H converting machine, Fablon’s owner believes that his plant will continue to create a highly positive impact in the market. Extending further trust in W&H equipment, Agarwal states, “Our W&H plant is running well and we are very happy with the machines’ performance and the W&H service. We decided to rely on W&H equipment once again for our facility.”

Creating a difference

Today, the Samarth Fablon group has a unique combination of seven W&H block bottom converting machines. The combined output capacity of the machines is 500 block-bottom bags a minute. No other woven production facility has such a versatile block-bottom converting configuration in India. “The Samarth Group has been a true partner for us. We are thankful to Bishnu ji for bestowing their trust in us once again,” shares Anuj Sahni, general manager, Sales & Marketing, W&H India.

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Naresh Khanna – 12 January 2026

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