Raw Material
Synthetic rubber
| Manufacturer | Product | Brand | Made in |
| NANTEX | NBR | Nancar® | Taiwan, China |
| Zannan SciTech Co.,Ltd. | H-NBR | Zhanber® | China |
| TSRC Corporation | E-SBR | TAIPOL® | Taiwan |
| Chi Mei Corporation | S-SBR High-cis BR Low-cis BR | KIBIPOL® | Taiwan |
| PJSC Nizhnekamskneftekhim（SIBUR Group） | IIR | BK | Russia |
| Togliatti synthezkauchuk | IIR | BK | Russia |
| JSC STERLITAMAK PETROCHEMICAL PLANT | IR | SKI | Russia |
| PURA RUBBER | Reclaimed rubber | Indonesia | |
| Asahi Kasei Corporation | S-SBR, BR | Asadene® Tufdene® Asaprene® | Japan |
| Denka Company Limited | CR | DENKA CHLOROPRENE® | Japan |
| MITSUI CHEMICALS, INC. | EPDM | EPT | Japan |
| Chang Horing Rubber Group | Fluorine-contained Rubber | fasol® | Taiwan |
Synthetic resin
| Manufacturer | Product | Brand | Made in |
| NITTO CHEMICAL CO.,LTD. | Coumarone resin | Nitto coumarone resin | Japan |
| Japan Polyethylene Corporation | PE | Japan | |
| Japan Polypropylene Corporation | PP | Japan | |
| Prime Polymer Co., Ltd. | PE、PP | Japan | |
| Mitsui Chemicals, Inc. | TPX、TPO、PE、ワックス | Japan | |
| Kingfa SCI. & TECH. CO., LTD. | PA6/PA66 | China |
Rubber compound
| Manufacturer | Product | Brand | Made in |
| Chang Horing Rubber Group Chang Xing | CMB | Nitto coumarone resin | Taiwan, Shanghai, Thailand |
| DN Automotive | CMB | Korea |
Thermoplastic elastomer
| Manufacturer | Product | Brand | Made in |
| NANTEX | TPV | Dynaprene® | Taiwan |
| TSRC Corporation | TPS（SEBS, SBS, SIS） | TAIPOL®, VECTOR® | Taiwan, China |
Industry / Rubber chemical
| Manufacturer | Product | Brand | Made in |
| ADEKA Corporation | Plasticizer (Non-phthalic acid) | BIOCIZER | Japan |
| Yuncheng Chemical Industrial Co., Ltd. | Colloidal calcium carbonate | Taiwan | |
| EIWA CHEMICAL IND. CO.,LTD. | Blowing agent | Japan | |
| Konoshima Chemical Co.,Ltd. | Magnesium oxide | Japan | |
| Magnesium hydro-oxide | Japan | ||
| Light calsium carbonate | Japan | ||
| Sakai Chemical Industry Co., Ltd. | Barium | Japan | |
| Zinc flower | Japan | ||
| Titanium oxide | Japan | ||
| Plastic additives (Stabilizers) | Japan | ||
| SANKYO SEIFUN | Fillers (Calcium carbonate) | Japan | |
| SANSHIN CHEMICAL INDUSTRY CO.,LTD. | Vulcanization accelerators | Japan | |
| SANYO COLOR WORKS, Ltd. | Color Master Batch, Pigments | Japan | |
| CG ESTER CORPORATION | Plasticizer (DOP/DINP) | Japan | |
| Seiko Chemical Co.,Ltd. | Antioxidant | Japan | |
| Wax | Japan | ||
| Dainichiseika Color & Chemicals Mfg. Co., Ltd. | Color Master Batch, Pigments | Japan | |
| Chichibu Lime Industry | Slaking lime, Quick lime | Japan | |
| TOKAI CARBON CO., LTD. | Carbon black | Japan | |
| Tosoh Silica Corporation | Silica | Japan | |
| Toyo Denka Kogyo Co.,Ltd. | Fillers (Calcium carbonate) | Japan | |
| Nitto Funka Kogyo K.K. | Fillers (Calcium carbonate) | Japan | |
| Japan Sun Oil Company, Ltd. | Process oil | Japan | |
| Hosoi Chemical Industry.Co.,Ltd. | Sulfur | Japan | |
| Maruo Calcium Co., Ltd. | Fillers (Calcium carbonate) | Japan | |
| MIYOSHI OIL & FAT CO., LTD. | Stearic acid | Japan | |
| RESINO COLOR INDUSTEY CO., LTD. | Color Master Batch, Pgments | Japan | |
| NEIMENGGU XIHE CHEMICAL CO., LTD | Chlorinated paraffins | China |
Diamond
| Manufacturer | Product | Brand | Made in |
| DEV GROUP | Natural diamond powder, Stones, Jewelry Diamond | Belgium, USA | |
| Hebei Plasma Diamond Technology | CVD Diamond | China | |
| TECHNODIAMANT | Very Hi-pressure Diamond Anvil | Belgium | |
| Diamond endmill | Belgium | ||
| Magnesium hydro-oxide | Japan | ||
| Light calsium carbonate | Japan | ||
| Socorro & Co. | Moissanite Anvil | USA | |
| ADICO Polydia | PCD (Diamond Sintering) | Korea | |
| Zhongnan JETE | PCD (Diamond Sintering) | China | |
| WWSA（World Wide Superabrasives） | CBNCBN (Cubic Boron Nitride) | USA |
Metal powder
| Manufacturer | Product | Brand | Made in |
| Umicore | Cobalt | Belgium | |
| Alloyed Powder | NEXT®、Keen®、STEP® | Belgium | |
| Metal powder (W, WC, Ni, Sn, Rh, Iron phosphide, Bronze, Copper etc.) | Belgium | ||
| Sintez-CIP | Carbonyl iron | Russia |
Other
| Manufacturer | Product | Brand | Made in |
| H&R Group（H&R ChemPharm UK） | Water blocking compound for optical fiber & UHV power submarine cables | Optifill etc. | UK |
| Insulating oil for submarine cables for ultra-high voltage | UK |
Semi – finished & Final product
Variety Parts
| Manufacturer | Product | Brand | Made in |
| TPC | Automotive anti-vibration pipe | Korea | |
| Cin-chai | Cable filling PP& PPC yarn Twisted PP yarn for Submarine cable | Taiwan | |
| Longtai | Cable filling PP& PPC yarn Twisted PP yarn for Submarine cable | China | |
| Henlong | Cable filling PP& PPC yarn Twisted PP yarn for Submarine cable | China | |
| BELDEN GRASS VALLE YASIA LIMITED | Electronic wire | Hong-Kong | |
| Japan Crimp Terminal Manufacturing Co., Ltd. | Connector for electronic wire | Japan |
Other
| Manufacturer | Product | Brand | Made in |
| Maxell Co., Ltd. (Sliontec Business Headquarters) | Various adhesive tapes | Japan | |
| Meiji Rubber & Chemical Co., Ltd | Pallet, Container | Japan |