Akụkọ ihe mere eme nke okpu ahịhịa

Mpaghara Tancheng akọọla ma jiri ahịhịa Langya mee ihe ihe karịrị afọ 200. Na 1913, n'okpuru nduzi nke Yu Aichen, onye Tancheng, na Yang Shuchen, onye Linyi, Yang Xitang, onye omenkà si Sangzhuang, Obodo Matou, mepụtara okpu ahịhịa wee kpọọ ya "okpu ahịhịa Langya". Na 1925, Liu Weiting nke Obodo Liuzhuang, Obodo Gangshang mepụtara usoro ịkpa ákwà otu ahịhịa.,tusoro ịkpa ákwà okpukpu abụọ nke otu ahịhịa,mepụtana-eme usoro a maka ịkpa ákwà. Na 1932, Yang Songfeng na ndị ọzọ si Matou Town hiwere Langya Straw Hat Production and Distribution Cooperative, ma mepụta ụdị okpu atọ: flat top, round top, na fashionable head okpu.

 Na 1964, Ụlọ Ọrụ Mmepụta Ihe nke Tancheng County hiwere otu ndị na-akpa ákwà ahịhịa n'obodo Xincun Township. Onye ọkachamara n'ihe gbasara ọrụ Wang Guirong duru Ye Rulian, Sun Zhongmin na ndị ọzọ ime ihe ọhụrụ n'ihe gbasara ịkpa ákwà, imepụta ịkpa ákwà okpukpu abụọ, eriri ahịhịa, ịkpa ákwà ahịhịa na hemp, ime ka agba ahịhịa mbụ ka mma ruo n'ịcha agba, imepụta ihe karịrị ụkpụrụ 500 dị ka okooko osisi mesh, anya ose, okooko osisi diamond, na okooko osisi Xuan, ma mepụta ọtụtụ usoro ngwaahịa dị ka okpu ahịhịa, akpụkpọ ụkwụ, akpa aka, na akwụ anụ ụlọ.

 Na 1994, Xu Jingxue si n'obodo Gaoda, Shengli Town hiwere ụlọ ọrụ mmepụta okpu Gaoda, wee webata raffia siri ike dị ka ihe e ji akwa ákwà, mee ka ụdị ngwaahịa ahụ baa ọgaranya, ma tinye ihe ndị dị n'oge a, mee ka ngwaahịa ịkpa ahịhịa Langya bụrụ ngwaahịa ndị ahịa na-eji ejiji. A na-ebuga ngwaahịa ndị a na mba na mpaghara karịrị 30 gụnyere Japan, South Korea, United States, na France. A na-enye ha ọkwa dịka "Ngwaahịa A Ma Ama" na Shandong Province ma merie ugboro abụọ "Nrite Ọkwa Okooko Osisi" maka nka na nka nke Shandong Province.