In 1946, the company purchased its first injection molding machine, setting the stage ... came in 1958 when the company patented the interlocking brick design we know today. This design allowed ...
Njeru says it costs them Sh18 to make a piece of interlocking brick, which they sell at Sh25. He says the machine can produce 1,000 bricks a day, and that on a good day, they can make as much as ...
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