Yaliyomo ya asidi ya fulvik, uwezo wa kufyonzwa na maji, na mipaka ya madini mabaya huamua kama bidhaa itakubalika au la. Mwongozo huu unaeleza vigezo ambavyo wanunuzi huangalia na ni nini unachotakiwa kuomba katika cheti cha uchunguzi (COA).
Contact us for the batch-specific COA, lab reports and current pricing for your market.