Sumire Smile Sustainable Energy Supply Co. is based in Japan and lists wood chips on Global Trade Plaza. The company offers pine wood chips and acacia wood chips, both supplied with detailed size distribution specifications and moisture content information. Both products are described with the same grading parameters: chips over 45 mm are limited to a maximum of 10%, the 45–19 mm fraction must be at least 50%, the 19–5 mm fraction is capped at 35%, the 5–3 mm fraction at 3% maximum, and material under 3 mm at 2% maximum. Bark and rot are restricted to no more than 1.5%, and the chips must be free from char, sand, stones, plastic, coal and other foreign matter. Moisture content is stated as approximately 35–38% for each grade. Buyers can send an enquiry through Global Trade Plaza.