| --21-Jan-11
| - 2010 Group's Annual Dinner held at Golden Lake
| --Hotel, TangXia of Dongguan, China

| - Dec -10
| - IES organized a 4-day-trip to Taiwan for the staff
| --from 2 Dec to 4 Dec.

| - Nov -10
| - IES soccer team win the Champion of "Mini Soccer
| --Competition 2010", which is held by
| --The Hong Kong Air Conditioning and Refrigeration
| --Association Ltd.

| - Jun to Jul -10
| - IES & Hauken jointly held a football
| --competition at King's Park Sports Ground

| --Feb-10
| - 2009 Group's Annual Dinner held at Golden Lake
| --Hotel, TangXia of Dongguan, China

-- Sep-09
| - IES Vietnam office relocated to higher floor with
| --the same building-

| --Aug-09
| - IES China sales office relocated to Guangzhou

| --Jun-09
| - IES Singapore office relocated Middle Road

| --May to Jun-09
| - IES & HK Plumbing jointly held a football
| --competition at King's Park Sports Ground

| --16-Jan-09
| - 2008 Group's Annual Dinner held at Golden Lake
| --Hotel, TangXia of Dongguan, China | --

| --25-Jan-08
| - 2007 Group's Annual Dinner held at Metropolitan
| --Hotel, Zhang Mu Tou of Dongguan, China | --

| --18-Oct-07
| --IES Vietnam office opened at Ho Chi Minh City

| --19-Sep-07
| --IES holds a technical seminar at Miramar Hotel
| --Hong Kong (09:15-14:00) to introduce solar
| --integrated hot water system

| --01-Jun-07
| --Awarded its first Venetian Parcel II project for
| --supplying stainless steel hot water tank

| --20-Jan-07
| --Signed exclusive agent for RAAB (Germany)
| --prefabricated stainless stain chimney

| --01-Jan-07
| --IES Singapore office opened

| --24-Mar-05
| --IES Macau office opened