タイヘイ化成株式会社

April 1954 : Our current Chairman opened Ohira Shokai in Kawaramachi, Moriguchi City, with 4 employees, selling vinyl toys as the exclusive distributor for Tokyo Asakusa Toy & Doll Co., Ltd.

現会長が守口市河原町にて大平商会を開業。 従業員4名、東京浅草玩具人形（株）を総発売元にビニール玩具発売。

1957 : Relocated to 57 Dainichi-cho, Moriguchi City. Began plastic production using injection molders. Formed a business partnership with Matsuda Chemical Co., Ltd.

守口市大日町57番地に移転。インジェクションモルダーに依るプラスチックの生産に入る。 松田ケミカル（株）と業務提携。

September 1967 : Relocated to 3-57 Hashibanishi-no-cho, Moriguchi City, due to eviction. Discontinued the injection molding division due to limited factory space.

立退につき守口市橋波西之町3丁目57に移転。工場面積狭溢のため、インジェクション部門廃止。

October 1973 : Built a new factory in Hirakata City.

October 1973 : Reorganized as Taihei Kasei Co., Ltd. at the time of relocation.

Incorporated : October 1973

枚方市に工場新築。

移転と同時に、タイヘイ化成株式会社に改組。

June 1989 : Opened the Neyagawa Plant. Began production of plastic cardboard, printing, cutting, and other products.

寝屋川工場開設。プラスチック・ダンボール、印刷・断裁 その他の生産に入る。

March 1994 : Opened the Mihara Plant in Sakai City.

堺市に美原工場開設。

January 5, 2004 : Relocated the head office and Neyagawa Plant to their current location.

本社および寝屋川工場を現住所に移転。

May 2005 : Introduced UV inkjet printing equipment (a first in the sundry goods industry).

UVインクジェット印刷機導入（雑貨業界初）

August 2007 : Relocated the Mihara Plant to the Hirakata Plant and head office.

美原工場を枚方工場と本社へ移転。

April 2010 : Opened the China office.

中国事務所開設。

March 2016 : Introduced dye-sublimation printing equipment and began fabric product manufacturing.

昇華転写印刷機導入、ファブリック製品製造開始

June 2018 : Launched \" : Monoproland : ,\" a specialty store for custom original goods.

オリジナルグッズ製作専門店「 : モノプロランド : 」公開

September 2019 : Introduced a high-definition on-demand printer and began paper product manufacturing.

高繊細オンデマンドプリンター導入、紙製品製造開始