We are the biggest manufacturer of sodium nitrophenoate serise plant growth regulator products in china, having good reputation in domestic and abroad.We can provide good quality under competitive price, also can support registration if necessary.Our company's Plant growth regulator also can use as fertilizer & pesticide additive , when add  them,it  can better improve the fertilizer & pesticide effect .We are keen in establishing a long last and mutual benefits with your firm soon .