COMPANY LIMITED WELL GRADED ENGINEERING PUBLIC COMPANY LIMITED WHA BUSINESS COMPLEX FREEHOLD AND LEASEHOLD REAL ESTATE INVESTMENT TRUST WHA CORPORATION PUBLIC COMPANY LIMITED WHA INDUSTRIAL DEVELOPMENT
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EXPONENTIAL PUBLIC COMPANY LIMITED WELL GRADED ENGINEERING PUBLIC COMPANY LIMITED WHA BUSINESS COMPLEX FREEHOLD AND LEASEHOLD REAL ESTATE INVESTMENT TRUST WHA CORPORATION PUBLIC COMPANY LIMITED WHA INDUSTRIAL