HIRANUMA Co., Ltd. is a Japanese manufacturer of analytical instruments specializing in automatic potentiometric titrators and Karl Fischer titrators for precise moisture determination. Founded in 1943, HIRANUMA combines decades of titration expertise with reliable technology for quality control across the chemical, food, pharmaceutical, and manufacturing industries. As HIRANUMA’s distributor in the Philippines, Sigmatech Inc. provides local access to its analytical solutions, supported by responsive technical and after-sales service.