2017       投資紐西蘭石英元件廠Rakon晶振，取得一席董事與16％股權(quán)，發(fā)展衛(wèi)星國(guó)防等高階產(chǎn)品。
2013       與湖北泰晶合資成立泰華科技，大幅擴(kuò)充產(chǎn)能。
2011       成立南科分公司，量產(chǎn)人工晶棒。
2010       通過(guò)SGS QC-080000 HSPM驗(yàn)證，并量產(chǎn)小型化SMD
2008       成立威華微機(jī)電，導(dǎo)入微機(jī)電制程（半導(dǎo)體制程）通過(guò)TS-16949、OHSAS-18001認(rèn)證
2007       SMD2.5x2.0 X’TAL & O.S.C.量產(chǎn)
2006       通過(guò) SGS QS9000 / ISO9001驗(yàn)證
2004       設(shè)立Product analysis Lab. 通過(guò) SONY綠色伙伴驗(yàn)證(SONY GP)
2003       通過(guò)ISO-9001,ISO-14001,SONY-SS00259 認(rèn)證架設(shè)銣原子鐘標(biāo)準(zhǔn)信號(hào)源
2002       開(kāi)發(fā)SMD 3.2X2.5 X'TAL 及總部新廠落成
2001       建購(gòu)希華總部大樓及無(wú)钖廠量產(chǎn)導(dǎo)入開(kāi)發(fā)SMD 5X3.2 VC/TCXO 和 SMD 4X2.5 X'TAL 無(wú)钖廠成功量產(chǎn)人工水晶Z-BAR 臺(tái)灣證券交易所股份有限公司核準(zhǔn)股票上市
2000       購(gòu)并日本明電通信株式會(huì)社, 成立希華科技(股)公司大陸無(wú)钖廠設(shè)立. VCO 量產(chǎn)
1997       公司股票經(jīng)財(cái)政部證券管理委員會(huì)核準(zhǔn)公開(kāi)發(fā)行。
1996       通過(guò)ISO 9002認(rèn)證及SAW WAFER量產(chǎn) 興建高性能人工水晶爐
1995       TCXO 量產(chǎn)及超小型開(kāi)發(fā) 通過(guò)ISO 9001認(rèn)證
1994       開(kāi)發(fā)SAW FILTER 并通過(guò)ISO 9002認(rèn)證正式推出與工研院合作開(kāi)發(fā)的 SAW DEVICES 產(chǎn)品
1993       量產(chǎn)水晶濾波器
1991 開(kāi)發(fā)量產(chǎn)超小型石英晶體振蕩器及單晶濾波器(M.C.F) 開(kāi)發(fā)溫度補(bǔ)償振蕩器度(T.C.X.O)
1988       希華正式成立, 資本額為1,500萬(wàn)元整

SIWARD原廠編碼	生產(chǎn)商品牌	型號(hào)	頻率	頻率偏差度	負(fù)載電荷	工作溫度
XTL721-Q23-048	Siward晶振	XTL72	32.768 kHz	±20ppm	6pF	-40°C ~ 85°C
XTL721-S349-005	Siward晶振	XTL72	32.768 kHz	±20ppm	7pF	-40°C ~ 85°C
XTL721-S999-301	Siward晶振	XTL72	32.768 kHz	±20ppm	9pF	-40°C ~ 85°C
XTL721-S999-429	Siward晶振	XTL72	32.768 kHz	±20ppm	6pF	-40°C ~ 85°C
XTL741-S999-319	Siward晶振	XTL74	32.768 kHz	±20ppm	9pF	-40°C ~ 85°C
XTL741-U11-402	Siward晶振	XTL74	32.768 kHz	±20ppm	7pF	-40°C ~ 85°C
XTL741-S999-298	Siward晶振	XTL74	32.768 kHz	±20ppm	12.5pF	-40°C ~ 85°C
XTL741-S999-379	Siward晶振	XTL74	32.768 kHz	±20ppm	7pF	-40°C ~ 85°C
XTL741-S999-327	Siward晶振	XTL74	32.768 kHz	±20ppm	4pF	-40°C ~ 85°C
XTL721-S999-286	Siward晶振	XTL72	32.768 kHz	±20ppm	12.5pF	-40°C ~ 85°C
XTL751-S999-544	Siward晶振	XTL75	32.768 kHz	±20ppm	12.5pF	-40°C ~ 85°C
XTL751-S999-548	Siward晶振	XTL75	32.768 kHz	±20ppm	9pF	-40°C ~ 85°C
XTL751-S999-420	Siward晶振	XTL75	32.768 kHz	±20ppm	7pF	-40°C ~ 85°C
CGX70502-13.800-G108	Siward晶振	CGX-70502	13.8 MHz	±50ppm	16pF	-10°C ~ 60°C
CGX70502-14.050-G109	Siward晶振	CGX-70502	14.05 MHz	±50ppm	16pF	-10°C ~ 60°C
CGX70502-14.800-H134	Siward晶振	CGX-70502	14.8 MHz	±50ppm	16pF	-10°C ~ 60°C
CGX70502-15.425-H135	Siward晶振	CGX-70502	15.425 MHz	±50ppm	16pF	-10°C ~ 60°C
CGX70502-15.925-H136	Siward晶振	CGX-70502	15.925 MHz	±50ppm	16pF	-10°C ~ 60°C
CGX70502-16.300-H137	Siward晶振	CGX-70502	16.3 MHz	±50ppm	16pF	-10°C ~ 60°C
XTL581100-J96-011	Siward晶振	SX-2520	16 MHz	±10ppm	8pF	-20 ℃~70 ℃
XTL571200-K114-002	Siward晶振	SX-3225	12 MHz	±10ppm	10pF	-40°C ~ 85°C
XTL571150-F98-063	Siward晶振	SX-3225	24 MHz	±15ppm	18pF	-20 ℃~70 ℃
XTL571100-H201-493	Siward晶振	SX-3225	25 MHz	±10ppm	12pF	-20 ℃~70 ℃
XTL541200-C282-030	Siward晶振	SX-5032	8 MHz	±20ppm	20pF	-40°C ~ 85°C
XTL5A1100-M118-056	Siward晶振	SXT-2520	26 MHz	±10ppm	7pF	-30°C ~ 85°C
XTL5A1100-M118-132	Siward晶振	SXT-2520	26 MHz	±10ppm	7pF	-30°C ~ 105°C
XTL5A1100-S362-009	Siward晶振	SXT-2520	26 MHz	±10ppm	9pF	-30°C ~ 85°C
XTL55S16-S208-018TR4	Siward晶振	SX-4025	16 MHz	±10ppm	9pF	-20 ℃~75 ℃
XTL721-G78-1609	Siward晶振	CSF-3215	32.768 kHz	±20ppm	12.5pF	-40°C ~ 85°C
XTL741-R53-039	Siward晶振	SF-2012	32 kHz	±20ppm	12.5pF	-40°C ~ 85°C
XTL741-S999-321	Siward晶振	SF-2012	32.768 kHz	±20ppm	12.5pF	-40°C ~ 85°C
XTL501100-F98-044	Siward晶振	SX-2016	24 MHz	±10ppm	8pF	-20 ℃~75 ℃
XTL501100-S413-007	Siward晶振	SX-2016	32 MHz	±10ppm	9pF	-20 ℃~75 ℃
XTL541200-C282-030	Siward晶振	SX-5032	8 MHz	±20ppm	20pF	-40°C ~ 85°C
XTL571100-C249-064	Siward晶振	SX-3225	37.4 MHz	±10ppm	10pF	-10°C ~ 70°C
XTL571100-F98-020	Siward晶振	SX-3225	12 MHz	±10ppm	10pF	-20 ℃~70 ℃
XTL571100-H201-493	Siward晶振	SX-3225	25 MHz	±10ppm	12pF	-20 ℃~70 ℃
XTL571100-M118-048	Siward晶振	SX-3225	26 MHz	±10ppm	7.3pF	-20 ℃~75 ℃
XTL571100-N98-008	Siward晶振	SX-3225	25 MHz	±10ppm	20pF	-20 ℃~75 ℃
XTL571150-F98-063	Siward晶振	SX-3225	24 MHz	±15ppm	18pF	-20 ℃~75 ℃
XTL571150-G47-219	Siward晶振	SX-3225	25 MHz	±10ppm	18pF	-40°C ~ 85°C
XTL571150-M118-070	Siward晶振	SX-3225	40 MHz	±7ppm	13pF	-40°C ~ 85°C
XTL571200-H201-177	Siward晶振	SX-3225	32 MHz	±10ppm	9pF	-40°C ~ 85°C
XTL571200-V42-001	Siward晶振	SX-3225	12 MHz	±20ppm	20pF	-10°C ~ 70°C
XTL571300-U11-279	Siward晶振	SX-3225	12 MHz	±30ppm	12pF	-40°C ~ 85°C
XTL581100-J96-011	Siward晶振	SX-2520	16 MHz	±10ppm	8pF	-20 ℃~70 ℃
XTL581100-M171-008	Siward晶振	SX-2520	38.4 MHz	±10ppm	10pF	-30°C ~ 85°C
XTL581200-G47-319	Siward晶振	SX-2520	12 MHz	±10ppm	10pF	-40°C ~ 85°C
XTL581150-G47-223	Siward晶振	SX-2520	40 MHz	±10ppm	12pF	-30°C ~ 85°C
XTL501300-A292-004	Siward晶振	SX-2016	16 MHz	±20ppm	9pF	-40°C ~ 85°C