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This is following the "internal combustion engine spin-mounted oil filter" after another smoothly through the assessment of the "Hebei manufacturing" standard, Hebei this year, a total of three standard access to Hebei Province, "Hebei manufacturing" brand building Association first project. JKTL valve "Steel ball valve for petroleum, petrochemical, natural gas and related industries" is the "Hebei Made" group standard for the first valve products in the province. The formulation and promulgation of this standard will help improve the overall technical level of steel ball valve manufacturing industry. , To enhance the "Made in Hebei" brand image.